🧩 词语组成解析
杠柳属
🗣️ 情景例句
I'm not sure I'm up to it.
我不能肯定我是否能做得来。
Enough is as good as a feast.
知足常乐。
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，