Methacrylonitrile
[化]甲基丙烯腈
🗣️ 情景例句
What does that mean in plain English?
你能不能用大白话解释一下？
It is too late to come with the water when the house is burnt down.
马后炮。
'We're going back now,' said the conductor.
“我们现在要返回去，”售票员说。