Polychlorocarbon
[化] 多氯烃; 多氯代烃
🗣️ 情景例句
I can tell.
我能觉察到。
Success grows out of struggles to overcome difficulties.
成功来自于克服困难的斗争。
He's awful!He telephoned me four times Yesterday, and three times the day before yesterday.
他讨厌透了！他昨天给我打了4次电话，前天打了3次。