• 基础释义
  • 例句
  • 柯林斯词典释义
  • 英英词典释义
例句
柯林斯高阶英汉双解学习词典释义
  • N-COUNT
    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。
  • N-COUNT
    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。
  • N-COUNT
    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.
  • N-COUNT
    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
英英词典释义
  • Noun
    1. an amplifier for restoring the strength of a transmitted signal