释义 |
词典释义:
booster
n. 起推动作用的事;窃贼;扒手;推动;鼓励;增强辅剂量;助推器;增压器;放大器
网络释义
助推器;增压器;助力器;升压器;增强语;强心针;
短语搭配
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booster seat
加座;加垫
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booster pump
增压泵;升压泵;加压泵
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booster inoculation
增压接种
双语例句
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The rocket booster failed to fall off, which led to the final failure.
火箭推进器未能成功脱落,导致了最终的失败。
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The manager should be a confidence booster to his staff.
经理应该给手下提供信心激励。
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The state provides polio boosters free of charge to poor areas.
国家免费为贫困地区提供小儿麻痹症辅助药剂。
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The US will soon begin offering Covid-19 booster shots to Americans.
美国将很快开始在美提供新冠疫苗加强剂。
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We saw the booster rockets disengage and fall into the sea.
我们看到火箭助推器脱落后坠入大海。
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Ground controllers will then fire the booster, sending the satellite into its proper orbit.
届时地面控制人员将点燃助推器,把卫星送入预定轨道。
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Praise is a great confidence booster.
表扬是一个很好的自信提升剂。
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This win has been a great morale booster.
这次获胜带来了巨大的精神鼓舞。
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It was amazing what a morale booster her visits proved.
她的来访造成的士气提升作用真是惊人。
近义词
词根词缀
同根词
释义
n.
a thing or person that helps increase or promote something, in particular
起推动(或推进)作用的事(或人),尤指:
Medicine a dose of an immunizing agent increasing renewing the effect of an earlier one
【医】 增强辅剂量。
the first stage of a rocket or spacecraft, used to give initial acceleration and then jettisoned
(火箭,飞船的)助推器。
a device for increasing electrical voltage or signal strength
(电压的)增压器;(电信号的)放大器。
[in combination]a source of help or encouragement
推动;鼓励
N. Amer. a keen promoter of a person, organization, or cause
〈北美〉 积极的支持者;热心的拥护者。
N. Amer. informal a shoplifter
〈北美,非正式〉 (商店的)窃贼,扒手。
考纲分布
考纲释义
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n. 助推器
真题例句:
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And also get physically active, because exercise is a known brain booster.
还要积极锻炼身体,因为锻炼是一种众所周知的大脑助推器。
[2018年 CET4 阅读理解C]
词根词缀
必考派生词
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