| 单词 | booster rocket |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔MIRV〕An offensive ballistic missile system in which a number of warheads aimed at independent targets can be launched by a single booster rocket.多弹头分导再入飞行器：一种进攻性弹道导弹系统，其中数枚弹头由同一运载火箭发射但指向各自的独立目标美国传统〔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 |
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