Salinomycin
盐霉素
🗣️ 情景例句
English is important for those who wish to do international trade.
英语对于那些想做国际贸易的人来说太重要了。
I answer telephones and do some typing.
我接电话和打字。
The bridge has been washed away by the floods.
桥已经被洪水冲走了。