Gramamycin
颖霉素
🗣️ 情景例句
I wonder whether I might ask you a question.
我是否可以问你一个问题？
How much is it?
多少钱？
Byrd at once ordered his men to throw out two heavy food sacks.
伯德马上命令他的助手们把两个沉重的食物袋扔掉，