Ethanthiol
己二硫醇
??? 情景例句
You don't know Jack Wang? You're hiking.
你不認識杰克王？看玩笑吧？
Adversity makes a man wise, not rich.
患難使人聰明，但不能致富。
She does not know London very well, and she lost her way.
她對倫敦不很熟悉，因此迷了路。