
好词典

缩写自ChloroFluoroCarbons(氯氟烃),20世纪中期由化学工业命名。
❶ 氯氟烃的缩写,是一类含氯和氟的有机化合物,曾广泛用作制冷剂和喷雾剂,因破坏臭氧层而被禁用。
“CFCs were commonly used in refrigerators and air conditioners.”
(氯氟烃曾普遍用于冰箱和空调中。)
“The use of CFCs has been banned due to their harmful effects on the ozone layer.”
(由于对臭氧层的有害影响,氯氟烃的使用已被禁止。)
CFC-free — 指不含氯氟烃的产品或物质,通常用于环保标识。
“This aerosol spray is labeled as CFC-free.”
(这种喷雾剂标有不含氯氟烃。)