| 单词 | 助推器 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔booster〕Ground controllers will then fire the booster, sending the satellite into its proper orbit.地面控制器届时将助推器点火, 把卫星送入预定轨道。外研社新世纪〔booster〕The primary stage of a multistage rocket that provides the main thrust for launch, liftoff, and initial flight.助推器：多级火箭的第一级，为发射、升空和最初飞行提供主要推力美国传统〔burn out〕As the first rocket burns out,the second-stage motor ignites.当第一级火箭燃料烧完时，第二级火箭的助推器便开始点火。21世纪英汉〔disengage〕We saw the booster rockets disengage and fall into the sea.我们看到火箭助推器脱落后坠入大海。牛津高阶〔opacifier〕A chemical agent added to a material, such as rocket propellant, to make it opaque.遮光剂：在物质中添加一种化学添加剂，如加在火箭助推器中，使之不反光美国传统The two rocket boosters attached to the shuttle's belly drop back to sea and are reused.安装在航天飞机腹部的两台火箭助推器掉回大海，被重新利用了。剑桥国际 |
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