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booster是什么意思

booster

英[ˈbu:stə(r)] 美[ˈbustɚ]

复数：boosters;

同义词

柯林斯高阶英汉双解学习词典释义

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有正面效果的事物；起推动作用的事物

A booster is something that increases a positive or desirable quality.
例句
It was amazing what a morale booster her visits proved... 令人惊诧的是，她的访问大大鼓舞了士气。 Praise is a great confidence booster. 赞扬是一种很好的信心增强剂。
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火箭助推器；推进器

A booster is an extra engine in a machine such as a space rocket, which provides an extra amount of power at certain times.
例句
Ground controllers will then fire the booster, sending the satellite into its proper orbit. 然后地面控制人员将会发射推进器，把卫星送入正常轨道。
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加强剂量

A booster is a small injection of a drug that you have some time after a larger injection, in order to make sure that the first injection will remain effective.
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拥护者；热心支持者

A booster is someone who supports a sports team, organization, person, or place very enthusiastically.
例句
A former associate of Mr. Pierce's was among the project's boosters. 皮尔斯先生的一个前合伙人是这个计划的热心支持者之一。 ...the university's biggest athletic booster club. 该大学最大的体育爱好者俱乐部

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