booster

US /ˈbustɚ/

UK /'bu:stə(r)/

B1 中級
n. (c./u.)名詞 (可數/不可數)支持者;後援者
The political booster raised funds for his election bid
n. (c./u.)名詞 (可數/不可數)增強物
The new advertising campaign gave sales a real booster.
n. (c./u.)名詞 (可數/不可數)加強劑
I need to get a booster shot for tetanus.
n. (c./u.)名詞 (可數/不可數)助推器
This signal booster will improve your Wi-Fi range.

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