Polychlorocarbon
[化] 多氯烃; 多氯代烃
🗣️ 情景例句
Yes, what can I do for you?
是的，我能为您效劳吗？
It's about seventy degrees Fahrenheit this afternoon.
今天下午的温度大约70华氏度。
It is recounted of Thomas Carly1e that when he heard of the illness of his friend,
他听说朋友病了，