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单词 booster shot
释义

booster shot

1 ENTRIES FOUND:
booster shot noun
plural booster shots
booster shot
noun
plural booster shots
Learner's definition of BOOSTER SHOT
[count] chiefly US
: an extra amount of a substance (called a vaccine) that is injected with a needle into a person or animal to help protect against a particular disease疫苗加强剂量
called also booster
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更新时间:2025/1/9 4:35:41