booster
/'bu:stә/
★☆☆☆☆
📖 中文释义
- 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
🧩 词形变化
复数 boosters
📘 English Definition（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