propellant
propellant 英 [prə'pel(ə)nt] 美 [prə'pɛlənt]
n. 推进物；推进燃料；发射火药 adj. 推进的
名词复数:propellants
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- n. 推进物；推进燃料；发射火药
- adj. 推进的
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1. Rocket propellant has barely changed in the more than 50 years since the launch of the first artificial satellite Sputnik.
自第一颗人造卫星史泼尼克发射以来，火箭推进剂在超过50年的时间内变化不多。
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2. Researchers have tossed around theoretical calculations of using just aluminum and water for rocket propellant in the past.
研究者在过去辗转不安的进行理论计算，仅仅只用铝和水作为火箭燃料。
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3. Hydrogen is very light but enables about 40 percent greater performance (force on the rocket per pound of propellant) than other rocket fuels.
液氢质量很轻但能够提供比其他燃料优越40％的性能（每磅燃料所能提供的推进力）。
- propellant (n.) less-etymological, but more usual, spelling of propellent; 1881 as a firearm explosive; 1919 as "fuel for a rocket engine."
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