Polychloride
多氯化物
🗣️ 情景例句
I've read your application materials with interest.
我很有兴趣地看了你的申请材料。
You have also made some readjustment in your import and export business, have you?
你们的进出口贸易也有一些调整，对吗？
What was the problem with this method?
这种方法有什么毛病吗？