Hydrochlorofluorocarbons
(hydrochlorofluorocarbon 的复数) 氟氯烃化合物
🗣️ 情景例句
He was very kind.
对人和蔼。
How's your niece?
你的侄儿好吗？
the line that the pen was drawing wriggled from side to side.
笔所画出的线就会左右摆动。