| 单词 | booster unit |
| 释义 | booster unit (once / 11819311 pages) n WORD FAMILY booster unit: booster units n the first stage of a multistage rocket Syn|Hyper booster, booster rocket, takeoff booster, takeoff rocket rocket, rocket engine a jet engine containing its own propellant and driven by reaction propulsion |
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英语词典包含147318条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。