从定义来看，词法分析是将输入内容分解为有意义的单词(也叫做词法分析记号(lexing tokens)或词位(lexemes))的动作。
Lexing, to give one definition, is the act of breaking up input into meaningful words (also called lexing tokens or lexemes).
不要再忘记买鸡肉了：一位妈妈分享了如何能更方便地购物的窍门，她用白色书写板记号笔在冰箱门上写下食品杂货购物清单，出门购物前用手机拍张照就可以了。
Never forget the chicken again: One mum shared her tip for easier shopping, showing how she kept her grocery list written on the fridge in whiteboard marker.
不要再忘记买鸡肉了：一位妈妈分享了如何能更方便地购物的窍门，她用白色书写板记号笔在冰箱门上写下食品杂货购物清单，出门购物前用手机拍张照就可以了。
Never forget the chicken again: One mum shared her tip for easier shopping, showing how she kept her grocery list written on the fridge in whiteboard marker.
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