Presternal
胸骨柄的
🗣️ 情景例句
It always takes time to get used to a new place.
适应一个新地方总是需要一段时间。
Sure. Just help yourself.
可以，自己拿吧。
You must keep it a secret. You mustn't tell anybody else.
你必须保密，谁都不能讲。