Word · Frequency #27986

chlorofluorocarbons

/ˌklɔːrəʊˈflʊərəʊkɑːbən/

noun

含氯氟烃；氯氟碳化合物

chlorofluorocarbons is the plural of chlorofluorocarbon.

核心释义

a type of fluorocarbon that contains chlorine, formerly used as a refrigerant and as a propellant in aerosol cans

1.
一类有机化合物,其中烃的氢原子被氯和氟原子取代；曾用作制冷剂和气雾剂推进剂,因破坏臭氧层而停用。
Any of a class of organic compounds in which the hydrogen atoms of a hydrocarbon are replaced with those of chlorine and fluorine; formerly used as refrigerants and aerosol can propellants but withdrawn due to causing damage to the ozone layer.

一类有机化合物,其中烃的氢原子被氯和氟原子取代；曾用作制冷剂和气雾剂推进剂,因破坏臭氧层而停用。；<化>含氯氟烃(即破坏臭氧层的CFC)

用法In use

Many old refrigerators still contain chlorofluorocarbons that damage the ozone layer.

许多旧冰箱仍然含有会破坏臭氧层的氯氟碳化合物。

用法提示：chlorofluorocarbons 是名词 chlorofluorocarbon 的复数形式，在句中作 contain 的宾语。

The use of chlorofluorocarbons in spray cans was banned in many countries.

喷雾罐中使用氯氟碳化合物的做法在许多国家已被禁止。

用法提示：chlorofluorocarbons 是名词复数，作介词 of 的宾语，指被禁止使用的物质。

Scientists measured the amount of chlorofluorocarbon released from the old air conditioner.

科学家们测量了那台旧空调释放出的氯氟碳化合物的量。

用法提示：chlorofluorocarbon 是名词单数，作介词 of 的宾语，表示释放出的化合物。