Tetraethyldiaminodiphenylmethane
[化] 二甲烷; 二N-二乙氨基苯基甲烷
??? 情景例句
Yes. That would be much better.
行，那樣也好。
How often do you eat out?
你隔多久在外面吃一次飯？
Put down the gentleman's address.
把這位先生的地址寫下來(lái)。