Tetraethyldiaminobenzophenone
[化] 二酮; 二N-二乙氨基苯基甲酮
??? 情景例句
Shall I call Mr. Marchetta for you?
要我替你打電話給 Marchetta先生嗎？
The postman always comes at 2 o'clock.
郵遞員總是在2點鐘來。
They employed a few farmhands, but no one was willing to work there long.
他們雇了幾個農工，但誰也不愿意在那兒長期工作下去。