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booster dose的英文翻譯是什么意思，詞典釋義與在線翻譯：
英英釋義
Noun:
-
an additional dose that makes sure the first dose was effective
booster dose的用法和樣例：
例句
用作名詞 (n.)
- Those young children who have not received a booster dose of vaccine in more than a year should receive an injection upon exposure.
一年多沒有接受加強劑量疫苗注射的年幼兒童，受暴露時，應接受一次注射。
