释义 |
boost.erH5bU:7stE5, $-stLn [C]an additional small amount of a drug given to strengthen the effect of the same drug given some time before to protect a person from illness(增强药效的)辅助药剂Julian had a typhoid vaccination last year but needed a booster this year before going to India.朱利安去年接种了伤寒疫苗,但在今年去印度之前还需要用一种辅助药剂。
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