Tetranitroaniline
四硝基苯胺
??? 情景例句
I kept out of their quarrel.
我不介入他們的爭吵。
I'd like to ask you just one question.
恕我請教你一個問題。
Half an hour? That's too long! Is there a bus?
半小時？那太久了！有公共汽車嗎？