Polychlorocarbon
[化] 多氯烃; 多氯代烃
🗣️ 情景例句
Don't forget to take lots of pictures.
别忘了照些照片。
That's very nice of you, but I really can't.
谢谢你的好意，但是我实在不能再呆了。
A noise?
一阵响声？