英语词汇“rocket booster”的意思、释义、用法解释及翻译-春雷网

词汇	rocket booster
释义	Definition of rocket booster in English: rocket booster noun Astronautics A booster in the form of a rocket; especially one used in launching a spacecraft. Origin 1920s; earliest use found in Popular Science Monthly. Definition of rocket booster in US English: rocket booster noun Astronautics A booster in the form of a rocket; especially one used in launching a spacecraft. Origin 1920s; earliest use found in Popular Science Monthly.
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Definition of rocket booster in English: