Ph. d.
哲学博士\\n[医] 德国药典
🗣️ 情景例句
If you have something you want to talk about,
假如你有什么事情要谈，
No man ever became thoroughly bad at once.
没有一个人是一下子就坏透的。
Some children can cover the whole length of the pool without coming up for breath even once.
有些孩子能够跑完游泳池的全长而不用露出水面换气。