Amines
[医]胺
🗣️ 情景例句
We finished addressing over three hundred envelopes.
我们写了三百多个信封地址了。
I must say that I'm a little at a loss as to how to introduce them.
我必须表明对于如何介绍他们，我有点不知所措。
The gentle method requires more patience in the early stages, but produces a cheerful,
温柔法要求在最初阶段保持较大的耐心，但这种方法可以训练出性情愉快、