Polychloride
多氯化物
🗣️ 情景例句
I've heard the weather here is ideal, just like spring most of year.
我听说这儿的天气很理想，四季如春。
Do you live down the street?
你在街尾居住吗？
How soon can you have your product ready?
你们多久才可以把产品准备好呢？