Postcentralis
[医] 中央后沟
🗣️ 情景例句
All of this comes before eating. OK?
这些都是在吃之前先得做的事 ，知道吗？
You've got to do something.
你一定要想办法。
One is the general atmosphere of secrecy in which it is carried out,
一是科研工作中普遍存在的保密气氛；