英语词汇rocket booster是什么意思，rocket booster的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	rocket booster
释义	DEFINITIVE EXAMPLES 权威例句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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