Undethrust
下逆掩断层
🗣️ 情景例句
Do you want-that-magazine?
你想要那本杂志吗？
I can't tell you how sorry I am.
我不知道我该怎样道歉。
Some of the bigger firms are engaged in researches which are of such general and fundamental nature that it is a positive advantage to them not to keep them secret.
某些大公司进行的研究属于一般和基础性的研究。因此不保密对他们才有利。