Cleithrum
匙骨
🗣️ 情景例句
Yes. This is Richard Stewart.
是的。我是Richard Stewart。
Fine.
好。
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，