booster
US
UK booster n: (electricity: to increase current) (电学)
SC 增强电流的装置 zēng qiáng diàn liú de zhuāng zhì
We need a booster to increase the voltage going to the garage.
我们需要一个增压器来增加车库的电压。
booster n: (radio: to strengthen signal)
SC 增强发射信号的装置 zēng qiáng fā shè xìn hào de zhuāng zhì
SC 放大器 zēng qiáng fā shè xìn hào de zhuāng zhì，fàng dà qì
TC 放大器
TC 放大器
A booster on top of the mountain improved radio reception.
山顶上的放大器提高了无线电的接收能力。
booster n: (medicine: additional dose of vaccine) (药物)
SC 辅助药剂，增效药剂，补强针 fǔ zhù yào jì，zēng xiào yào jì
Adults should get a tetanus booster every ten years.
成年人应该每十年打一次补强针。
booster n: (supporter of a cause)
SC 支持者 zhī chí zhě
SC 拥护者 zhī chí zhě，yōng hù zhě
TC 擁護者
TC 擁護者
This congresswoman is a prominent booster of the anti-drugs campaign.
booster seat n: (child's seat at a table) (儿童)
SC 加高座位
A booster seat increases the sitting height of a child.
booster seat n: (child's car seat) (儿童)
SC 车内加高坐垫
Ray installed a booster seat in the car for his four-year-old son.
booster shot n: informal (follow-up injection)
SC 后续疫苗注射 hòu xù yì miáo zhù shè
SC 后期强化注射 hòu xù yì miáo zhù shè，hòu qī qiáng huà zhù shè
Children need a booster shot at two-year intervals.
confidence booster n: ([sth] that makes [sb] more confident)
SC 自信提升剂
SC 能提高自信的事情
energy booster n: ([sth] that invigorates)
SC 能量增强剂
morale booster n: ([sth] that makes [sb] more enthusiastic)
SC 激励物，鼓舞士气的事物 jī lì wù