N,n-dimethylacetamide(dma)
[化] N,N-二甲基乙酰胺
??? 情景例句
How're you doing, fellas?
你們怎么樣了， 各位？
We were pleased to hear from your letter of 6 August that you were impressed with our selection of toys.
我們很高興收到你方8月6日來函得知你方對我們的玩具非常感興趣。
Don't speak to me now, Kate. I must go. I'm late !
凱特，不要和我說了，我必須走了，要遲到了。