Polychlorization
[化] 多氯化反应
🗣️ 情景例句
You must be very tired after the journey.
旅行之后，您一定累了吧！
Yes, there is. We can give a 5% discount for orders over 5,000 units.
是的，有折扣，超过5000个我们可给5%的折扣。
I'm sorry, but we have a problem here.
对不起，我们有困难。