Cyclomycin
(=tetracycline)四环素
🗣️ 情景例句
Yes, I remember. You were a great help.
是的， 我记得。你帮了个大忙。
What's the area of the Congo in square miles?
在平方英里内刚果的范围是什么？
If, at the time, the British had not feared invasion, it would have been completed.
如果不是因为那时英国人害怕入侵，隧道早已建成了。