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booster (rod)的英文翻译是什么意思，词典释义与在线翻译：
英英释义
名词 booster:
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a person who backs a politician or a team etc.
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someone who is an active supporter and advocate
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a thief who steals goods that are in a store
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an amplifier for restoring the strength of a transmitted signal
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the first stage of a multistage rocket
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an additional dose that makes sure the first dose was effective
