🗣️ 情景例句
Where is your birthplace?
你出生在哪里？
Think with the wise, but talk with the vulgar.
同智者一起考虑，与俗人一起交谈。
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，