N,n-dimethylformamide(dmf)
[化] N,N-二甲基甲酰胺
🗣️ 情景例句
if I may have your attention for a moment, please?
我想占用你们一点点时间 好吗
A watched pot is long in boiling.
心急水不沸。
How are you getting there?
你怎么样去？