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词汇 booster
释义 boost·er /`bustə; ˈbuːstə/n 1. confidence/ego/morale etc booster something that increases someone's confidence etc 增强信心/自尊/士气等的事物 2. [c] an engine that provides additional power for a spacecraft 飞船推进器 3. [c] a small quantity of a drug that increases the effect of one that was given before [增强药效的]附加剂量,加强剂:◇a booster vaccination 疫苗加强剂
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更新时间:2026/6/16 13:02:08