Polychlorocarbon
[化] 多氯烃; 多氯代烃
🗣️ 情景例句
A very good question.
一个非常好的问题。
Don't tell me.
不要告诉我。
Oh! She's falling off her bike. I hope she didn't hurt herself.
噢！她正从自己的自行车上跌落下来。我希望她没有摔伤。