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单词 propellant
释义
propellant
(prəpelənt )
Word forms: propellants
1. variable noun
Propellant is a substance that causes something to move forwards.
...an enormous amount of propellant.
...a propellant for nuclear rockets.
2. variable noun
Propellant is a gas that is used in spray cans to force the contents out of the can when you press the button.
By 1978, in the U.S.A., the use of CFCs in aerosol propellants was banned.
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更新时间:2024/11/15 12:58:32