
好词典

缩写自ChloroFluoroCarbon(氯氟烃),20世纪中期由化学工业命名。
❶ 氯氟烃的缩写,是一种曾经广泛用于制冷剂和气溶胶的化学物质,因破坏臭氧层而被逐步淘汰。
“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 in many countries.”
(许多国家已禁止使用氯氟烃。)
CFC-free — 指产品不含氯氟烃,通常用于环保标签,表明其对臭氧层无害。
“This aerosol spray is labeled as CFC-free.”
(这款气溶胶喷雾标有不含氯氟烃。)