Cephamycin
头霉素
🗣️ 情景例句
Pardon me.
劳驾。
If you have any questions on the details， feel free to ask.
如果对某些细节有意见的话，请提出来。
The site chosen was an island at the entrance of New York Harbour.
场地选在了纽约港入口处的一个鸟上。