Etm
[医][=epithienamycin]表硫霉素
🗣️ 情景例句
What was the weather like yesterday?
昨天的天气怎么样？
I ought to do it again.
我应该再做一次。
The clouds had come down so suddenly we had no warning.
乌云突然出现，我们丝毫没有觉察。