Alcotate
变性剂(使有毒气体具有臭味,或使酒精变性)
🗣️ 情景例句
Examinations are at hand.
考试在即。
As you all know, doing business is not an easy thing to do.
大家都知道，做生意并不是一件容易的事。
no more than one or twofeet thick.
气垫只有一两英尺厚。