Retroclavicular
[医] 锁骨后的
🗣️ 情景例句
I'm so glad you like them so much.
你这样喜欢它们， 我真是太高兴了。
What's the rush?
你急什么？
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，