booster

'bu:stә
Collins 1

英文释义

n. a thief who steals goods that are in a store
n. an amplifier for restoring the strength of a transmitted signal
n. the first stage of a multistage rocket
n. an additional dose that makes sure the first dose was effective

中文翻译

n. 向前推的人, 支持者, 后援者, 升压器
[化] 爆管; 扩爆药; 传爆药; 升压机; 增压装置; 升压器; 助促进剂

1
Collins 星级
14,487
BNC 频率
8,144
使用频率

记忆技巧

booster 由词根 boost（提升）和后缀 -er（表示做某事的人或物）组成，整体意思是“提升者”或“助推器”。

例句

1. The vaccine booster is important for maintaining immunity.
疫苗的加强针对维持免疫力很重要。
2. She took a booster shot to enhance her protection against the virus.
她打了加强针以增强对病毒的保护。
3. The energy drink acts as a booster for my workout sessions.
这款能量饮料在我的锻炼期间起到了提神的作用。

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