Dichloroacetal
二氯乙缩醛, 二乙醇缩二氯乙醛
🗣️ 情景例句
I was laid off.
我下岗了。
It was a six-hour flight.
它要6小时的飞行。
One moment we were walking along the top of a hill and now we could see no more than about thirty metres ahead of us.
一时间我们还在山顶上行走，而现在30公尺开外的地方我们都看不清了。