N,n-dimethylformamide(dmf)
[化] N,N-二甲基甲酰胺
🗣️ 情景例句
Nothing ventured, nothing gained.
不入虎穴，焉得虎子。
Just a second and I'll check the schedule.
请等一等，我来查一下时刻表。
It took me ten minutes to persuade her to ring back later.
我用了10分钟的时间才说服她过会儿再来电话。