Pentachloroethane
五氯乙烷
🗣️ 情景例句
Harry! Michelle! Can you wait till I make a phone call?
Harry， Michelle，你们等一下让我打个电话好吗？
I'm not really sure.
我不太清楚。
I was not surprised to find that the machine still refused to work after I had reassembled it,
等我装完后，那台割草机仍然一动不动，对此我倒并不感到吃惊。