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-    " class="smm-node-shape" transform="matrix(1,0,0,1,0,0)" fill="transparent" stroke-dasharray="none" stroke-width="0" stroke="transparent"></path><g transform="matrix(1,0,0,1,15,5)"><g data-width="57" data-height="21" data-offsetx="0" opacity="1"><foreignObject width="57" height="21" x="0" y="0"><div class="smm-richtext-node-wrap" xmlns="http://www.w3.org/1999/xhtml" style="max-width: 500px;"><p><span style="color: rgb(50, 96, 50);font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;font-size: 14px;">添加单词</span></p></div></foreignObject></g></g><rect width="91" height="35" x="-2" y="-2" class="smm-hover-node" rx="5" ry="5" fill="none" stroke="#5ec8f8"></rect></g><g class="smm-node" transform="matrix(1,0,0,1,1438,479.6000061035156)" style="cursor: default;"><path d="
+    " class="smm-node-shape" transform="matrix(1,0,0,1,0,0)" fill="transparent" stroke-dasharray="none" stroke-width="0" stroke="transparent"></path><g transform="matrix(1,0,0,1,15,5)"><g data-width="83" data-height="21" data-offsetx="0" opacity="1"><foreignObject width="83" height="21" x="0" y="0"><div class="smm-richtext-node-wrap" xmlns="http://www.w3.org/1999/xhtml" style="max-width: 500px;"><p><span style="color: rgb(50, 96, 50);font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;font-size: 14px;">Create word</span></p></div></foreignObject></g></g><rect width="117" height="35" x="-2" y="-2" class="smm-hover-node" rx="5" ry="5" fill="none" stroke="#5ec8f8"></rect></g><g class="smm-node" transform="matrix(1,0,0,1,1404,479.6000061035156)" style="cursor: default;"><path d="
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       C5,31 0,31 0,26
       L0,5
       C0,5 0,0 5,0
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-    " class="smm-node-shape" transform="matrix(1,0,0,1,0,0)" fill="transparent" stroke-dasharray="none" stroke-width="0" stroke="transparent"></path><g transform="matrix(1,0,0,1,15,5)"><g data-width="57" data-height="21" data-offsetx="0" opacity="1"><foreignObject width="57" height="21" x="0" y="0"><div class="smm-richtext-node-wrap" xmlns="http://www.w3.org/1999/xhtml" style="max-width: 500px;"><p><span style="color: rgb(50, 96, 50);font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;font-size: 14px;">编辑单词</span></p></div></foreignObject></g></g><rect width="91" height="35" x="-2" y="-2" class="smm-hover-node" rx="5" ry="5" fill="none" stroke="#5ec8f8"></rect></g><g class="smm-node" transform="matrix(1,0,0,1,1438,514.6000061035156)" style="cursor: default;"><path d="
+    " class="smm-node-shape" transform="matrix(1,0,0,1,0,0)" fill="transparent" stroke-dasharray="none" stroke-width="0" stroke="transparent"></path><g transform="matrix(1,0,0,1,15,5)"><g data-width="92" data-height="21" data-offsetx="0" opacity="1"><foreignObject width="92" height="21" x="0" y="0"><div class="smm-richtext-node-wrap" xmlns="http://www.w3.org/1999/xhtml" style="max-width: 500px;"><p><span style="color: rgb(50, 96, 50);font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;font-size: 14px;">Update Word</span></p></div></foreignObject></g></g><rect width="126" height="35" x="-2" y="-2" class="smm-hover-node" rx="5" ry="5" fill="none" stroke="#5ec8f8"></rect></g><g class="smm-node" transform="matrix(1,0,0,1,1404,514.6000061035156)" style="cursor: default;"><path d="
       M5,0
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       L5,31
       C5,31 0,31 0,26
       L0,5
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       Z
-    " class="smm-node-shape" transform="matrix(1,0,0,1,0,0)" fill="transparent" stroke-dasharray="none" stroke-width="0" stroke="transparent"></path><g transform="matrix(1,0,0,1,15,5)"><g data-width="57" data-height="21" data-offsetx="0" opacity="1"><foreignObject width="57" height="21" x="0" y="0"><div class="smm-richtext-node-wrap" xmlns="http://www.w3.org/1999/xhtml" style="max-width: 500px;"><p><span style="color: rgb(50, 96, 50);font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;font-size: 14px;">单词列表</span></p></div></foreignObject></g></g><rect width="91" height="35" x="-2" y="-2" class="smm-hover-node" rx="5" ry="5" fill="none" stroke="#5ec8f8"></rect></g><g class="smm-node" transform="matrix(1,0,0,1,1438,549.6000061035156)" style="cursor: default;"><path d="
+    " class="smm-node-shape" transform="matrix(1,0,0,1,0,0)" fill="transparent" stroke-dasharray="none" stroke-width="0" stroke="transparent"></path><g transform="matrix(1,0,0,1,15,5)"><g data-width="86" data-height="21" data-offsetx="0" opacity="1"><foreignObject width="86" height="21" x="0" y="0"><div class="smm-richtext-node-wrap" xmlns="http://www.w3.org/1999/xhtml" style="max-width: 500px;"><p><span style="color: rgb(50, 96, 50);font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;font-size: 14px;">Get word list</span></p></div></foreignObject></g></g><rect width="120" height="35" x="-2" y="-2" class="smm-hover-node" rx="5" ry="5" fill="none" stroke="#5ec8f8"></rect></g><g class="smm-node" transform="matrix(1,0,0,1,1404,549.6000061035156)" style="cursor: default;"><path d="
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-    " class="smm-node-shape" transform="matrix(1,0,0,1,0,0)" fill="transparent" stroke-dasharray="none" stroke-width="0" stroke="transparent"></path><g transform="matrix(1,0,0,1,15,5)"><g data-width="57" data-height="21" data-offsetx="0" opacity="1"><foreignObject width="57" height="21" x="0" y="0"><div class="smm-richtext-node-wrap" xmlns="http://www.w3.org/1999/xhtml" style="max-width: 500px;"><p><span style="color: rgb(50, 96, 50);font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;font-size: 14px;">查看单词</span></p></div></foreignObject></g></g><rect width="91" height="35" x="-2" y="-2" class="smm-hover-node" rx="5" ry="5" fill="none" stroke="#5ec8f8"></rect></g><g class="smm-node" transform="matrix(1,0,0,1,1279,674.6000061035156)" style="cursor: default;"><path d="
+    " class="smm-node-shape" transform="matrix(1,0,0,1,0,0)" fill="transparent" stroke-dasharray="none" stroke-width="0" stroke="transparent"></path><g transform="matrix(1,0,0,1,15,5)"><g data-width="63" data-height="21" data-offsetx="0" opacity="1"><foreignObject width="63" height="21" x="0" y="0"><div class="smm-richtext-node-wrap" xmlns="http://www.w3.org/1999/xhtml" style="max-width: 500px;"><p><span style="color: rgb(50, 96, 50);font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;font-size: 14px;">Get word</span></p></div></foreignObject></g></g><rect width="97" height="35" x="-2" y="-2" class="smm-hover-node" rx="5" ry="5" fill="none" stroke="#5ec8f8"></rect></g><g class="smm-node" transform="matrix(1,0,0,1,1404,584.6000061035156)" style="cursor: default;"><path d="
       M5,0
-      L98,0
-      C98,0 103,0 103,5
-      L103,29
-      C103,29 103,34 98,34
-      L5,34
-      C5,34 0,34 0,29
+      L108,0
+      C108,0 113,0 113,5
+      L113,26
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-    " class="smm-node-shape" transform="matrix(1,0,0,1,1,1)" fill="#f5ffe6" stroke-dasharray="none" stroke-width="2" stroke="#35b398"></path><rect fill="transparent" width="20" height="36" x="105" y="0"></rect><g transform="matrix(1,0,0,1,16,6)"><g data-width="73" data-height="24" data-offsetx="0" opacity="1"><foreignObject width="73" height="24" x="0" y="0"><div class="smm-richtext-node-wrap" xmlns="http://www.w3.org/1999/xhtml" style="max-width: 500px;"><p><span style="color: rgb(56, 100, 55);font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;font-size: 18px;">学习单词</span></p></div></foreignObject></g></g><rect width="109" height="40" x="-2" y="-2" class="smm-hover-node" rx="5" ry="5" fill="none" stroke="#5ec8f8"></rect></g><g class="smm-node" transform="matrix(1,0,0,1,1438,659.6000061035156)" style="cursor: default;"><path d="
+    " class="smm-node-shape" transform="matrix(1,0,0,1,0,0)" fill="transparent" stroke-dasharray="none" stroke-width="0" stroke="transparent"></path><g transform="matrix(1,0,0,1,15,5)"><g data-width="83" data-height="21" data-offsetx="0" opacity="1"><foreignObject width="83" height="21" x="0" y="0"><div class="smm-richtext-node-wrap" xmlns="http://www.w3.org/1999/xhtml" style="max-width: 500px;"><p><span style="color: rgb(50, 96, 50);font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;font-size: 14px;">Delete word</span></p></div></foreignObject></g></g><rect width="117" height="35" x="-2" y="-2" class="smm-hover-node" rx="5" ry="5" fill="none" stroke="#5ec8f8"></rect></g><g class="smm-node" transform="matrix(1,0,0,1,1269,674.6000061035156)" style="cursor: default;"><path d="
       M5,0
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-      L143,26
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+      L123,0
+      C123,0 128,0 128,5
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-    " class="smm-node-shape" transform="matrix(1,0,0,1,0,0)" fill="transparent" stroke-dasharray="none" stroke-width="0" stroke="transparent"></path><g transform="matrix(1,0,0,1,15,5)"><g data-width="113" data-height="21" data-offsetx="0" opacity="1"><foreignObject width="113" height="21" x="0" y="0"><div class="smm-richtext-node-wrap" xmlns="http://www.w3.org/1999/xhtml" style="max-width: 500px;"><p><span style="color: rgb(50, 96, 50);font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;font-size: 14px;">随机获取若干单词</span></p></div></foreignObject></g></g><rect width="147" height="35" x="-2" y="-2" class="smm-hover-node" rx="5" ry="5" fill="none" stroke="#5ec8f8"></rect></g><g class="smm-node" transform="matrix(1,0,0,1,1438,694.6000061035156)" style="cursor: default;"><path d="
+    " class="smm-node-shape" transform="matrix(1,0,0,1,1,1)" fill="#f5ffe6" stroke-dasharray="none" stroke-width="2" stroke="#35b398"></path><rect fill="transparent" width="20" height="36" x="130" y="0"></rect><g transform="matrix(1,0,0,1,16,6)"><g data-width="98" data-height="24" data-offsetx="0" opacity="1"><foreignObject width="98" height="24" x="0" y="0"><div class="smm-richtext-node-wrap" xmlns="http://www.w3.org/1999/xhtml" style="max-width: 500px;"><p><span style="color: rgb(56, 100, 55);font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;font-size: 18px;">Learn word</span></p></div></foreignObject></g></g><rect width="134" height="40" x="-2" y="-2" class="smm-hover-node" rx="5" ry="5" fill="none" stroke="#5ec8f8"></rect></g><g class="smm-node" transform="matrix(1,0,0,1,1453,659.6000061035156)" style="cursor: default;"><path d="
       M5,0
-      L110,0
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-      L115,26
-      C115,26 115,31 110,31
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+      L243,26
+      C243,26 243,31 238,31
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       C5,31 0,31 0,26
       L0,5
       C0,5 0,0 5,0
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-    " class="smm-node-shape" transform="matrix(1,0,0,1,0,0)" fill="transparent" stroke-dasharray="none" stroke-width="0" stroke="transparent"></path><g transform="matrix(1,0,0,1,15,5)"><g data-width="85" data-height="21" data-offsetx="0" opacity="1"><foreignObject width="85" height="21" x="0" y="0"><div class="smm-richtext-node-wrap" xmlns="http://www.w3.org/1999/xhtml" style="max-width: 500px;"><p><span style="color: rgb(50, 96, 50);font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;font-size: 14px;">设置掌握程度</span></p></div></foreignObject></g></g><rect width="119" height="35" x="-2" y="-2" class="smm-hover-node" rx="5" ry="5" fill="none" stroke="#5ec8f8"></rect></g><g class="smm-node" transform="matrix(1,0,0,1,1438,584.6000061035156)" style="cursor: default;" opacity="1"><path d="
+    " class="smm-node-shape" transform="matrix(1,0,0,1,0,0)" fill="transparent" stroke-dasharray="none" stroke-width="0" stroke="transparent"></path><g transform="matrix(1,0,0,1,15,5)"><g data-width="213" data-height="21" data-offsetx="0" opacity="1"><foreignObject width="213" height="21" x="0" y="0"><div class="smm-richtext-node-wrap" xmlns="http://www.w3.org/1999/xhtml" style="max-width: 500px;"><p><span style="color: rgb(50, 96, 50);font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;font-size: 14px;">Get a random number of words</span></p></div></foreignObject></g></g><rect width="247" height="35" x="-2" y="-2" class="smm-hover-node" rx="5" ry="5" fill="none" stroke="#5ec8f8"></rect></g><g class="smm-node" transform="matrix(1,0,0,1,1453,694.6000061035156)" style="cursor: default;"><path d="
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-      L87,26
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+      C160,0 165,0 165,5
+      L165,26
+      C165,26 165,31 160,31
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-    " class="smm-node-shape" transform="matrix(1,0,0,1,0,0)" fill="transparent" stroke-dasharray="none" stroke-width="0" stroke="transparent"></path><g transform="matrix(1,0,0,1,15,5)"><g data-width="57" data-height="21" data-offsetx="0" opacity="1"><foreignObject width="57" height="21" x="0" y="0"><div class="smm-richtext-node-wrap" xmlns="http://www.w3.org/1999/xhtml" style="max-width: 500px;"><p><span style="color: rgb(50, 96, 50);font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;font-size: 14px;">删除单词</span></p></div></foreignObject></g></g><rect width="91" height="35" x="-2" y="-2" class="smm-hover-node" rx="5" ry="5" fill="none" stroke="#5ec8f8"></rect></g></g><g class="smm-associative-line-container"></g><g class="smm-other-container"></g></g><defs><marker markerWidth="10" markerHeight="10" refX="12" refY="5" viewBox="0 0 20 20" orient="auto-start-reverse"><path d="M0,0 L2,5 L0,10 L10,5 Z"></path></marker></defs><style>
+    " class="smm-node-shape" transform="matrix(1,0,0,1,0,0)" fill="transparent" stroke-dasharray="none" stroke-width="0" stroke="transparent"></path><g transform="matrix(1,0,0,1,15,5)"><g data-width="135" data-height="21" data-offsetx="0" opacity="1"><foreignObject width="135" height="21" x="0" y="0"><div class="smm-richtext-node-wrap" xmlns="http://www.w3.org/1999/xhtml" style="max-width: 500px;"><p><span style="color: rgb(50, 96, 50);font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;font-size: 14px;">Set proficiency level</span></p></div></foreignObject></g></g><rect width="169" height="35" x="-2" y="-2" class="smm-hover-node" rx="5" ry="5" fill="none" stroke="#5ec8f8"></rect></g></g><g class="smm-associative-line-container"></g><g class="smm-other-container"></g></g><defs><marker markerWidth="10" markerHeight="10" refX="12" refY="5" viewBox="0 0 20 20" orient="auto-start-reverse"><path d="M0,0 L2,5 L0,10 L10,5 Z"></path></marker></defs><style>
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