Formycin
间型霉素
🗣️ 情景例句
Don't be such a grouch.
不要总是牢骚满腹。
But Li Ming has promised to come home for the summer vacations.
但是李明已经答应暑假回家。
At last firemen have put out a big forest fire in California.
消防队员们终于扑灭了加利福尼亚的一场森林大火。