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TOEFL BNC: 35761 COCA: 20595
propellant
prəpelənt prəˈpɛlənt prəˈpɛlənt proʊˈpɛlənt
Word forms: plural propellants
1 N-MASS 推进剂;发射药;火箭燃料 Propellant is a substance that causes something to move forwards. 推进剂;发射药;火箭燃料
  • ...an enormous amount of propellant.

    大量的推进剂

  • ...a propellant for nuclear rockets.

    核火箭的燃料

2 N-MASS (喷雾容器中提供压力的)压缩气体 Propellant is a gas that is used in spray cans to force the contents out of the can when you press the button. (喷雾容器中提供压力的)压缩气体
  • By 1978, in the USA, the use of CFCs in aerosol propellants was banned.

    美国自1978年起禁止在喷雾剂压缩气体中使用含氯氟烃。

Trends of propellant
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TOEFL BNC: 35761 COCA: 20595
TOEFL BNC: 35761 COCA: 20595
TOEFL BNC: 35761 COCA: 20595
propellant
Substances by function: coolant, diuretic, grease...
Gases: acetylene, ammonia, argon...

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