Polychlorocarbon
[化] 多氯烃; 多氯代烃
🗣️ 情景例句
Gemma, sit. Gemma
Gemma,坐,Gemma,
Please accept my apology.
请接受我的道歉。
Mars is too dry and poor in oxygen, Venus far too hot, and so is Mercury,
火星太干燥又缺氧，金星太热，水星也一样。