Polychloride
多氯化物
🗣️ 情景例句
Yes. I would like an application.
是的，我想要一份申请表。
We use service centers at major stores. They ship goods back to our national service center for repairs.
我们采用大店服务中心，他们可把产品运送到我们的国内服务中心维修。
The last creature to compete with man was the mosquito.
能与人竞争的生物最后只有蚊子了，