Perchlorethylene
n. [化]全氯乙烯
🗣️ 情景例句
We need a man who knows the ropes.
我们需要位内行人士。
Silence is learnt by the may misfortunes of life.
沈默是通过生活中的许多不幸而学会的。
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。