Polychlorocarbon
[化] 多氯烃; 多氯代烃
🗣️ 情景例句
Fine.
好啊。
I'm practising tai chi chuan in the park.
我在公园打太极拳。
After they carved the characters on rocks, they put a piece of wet paper on top of the characters and beat it lightly.
他们把字刻在石块上后，再把一张潮湿的纸放在字的上面，并轻轻地拍打。