Riomycin
[医] 河霉素
🗣️ 情景例句
It's a beautiful day.
今天天气真好。
Would you please give us a rough idea of the quantity you require?
请告知你方大概要订多少？
He collected tetters and made copies of people's diaries.
他收集到一些信件，复印了一些人的日记。