Bisulphide
n. 二硫化物
? 同義詞
??? 情景例句
You look very young. How old are you?
你看起來真年輕， 你多大了？
I'll take care of it.
我來辦這件事。
He was very healthy and happy, but he could not look after himself.
他很健康，非常歡快。但不能照料自己。