Dimethylformamide
n. [有化] 二甲基甲酰胺
🗣️ 情景例句
Where do I board my plane?
我在那儿登机？
I used to start working at 9:00 o'clock every day.
我过去常在9:00点钟开始每天工作。
With a smile the man from downstairs said: I'm sorry to trouble you, comrade.
“对不起，打扰你了，同志。”