Booster Meaning in English
word
释义
A 'booster' is something that makes another thing stronger or more effective, like a shot to improve immunity or a device to increase power. It is often used for vaccines or machines.
用法与细微差别
Most often heard in medical contexts for vaccines ('booster shot'), but also used for devices (signal boosters, rocket boosters). Informal in all but technical or medical usage. Not used for people. Don't confuse with 'boast' or 'boost'.
例句
She needs a COVID-19 booster next month.
basic
The signal booster helped our Wi-Fi work better.
basic
He got a tetanus booster shot at the clinic.
basic
My doctor reminded me to get my annual flu booster.
natural
The rocket uses a powerful booster to launch into space.
natural
I'm glad I got the booster—I feel more protected now.
natural