Mephedrine
[医] 甲基麻黄硷
🗣️ 情景例句
Besides, reasonable quantities of marketing literature are supplied free of charge.
此外，我们还免费提供一定数量的营销资料。
When the fire started, I was writing letters.
当火起来的时候，我在写信。
I'm glad our negotiation has come to a successful conclusion.
我很高兴这次洽谈圆满成功。