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  1. booster

    • IPA[ˈbo͞ostər]

    美式

    • n.
      a keen promoter of a person, organization, or cause;a source of help or encouragement
    • noun: booster, plural noun: boosters

    • 釋義
    • 相關詞

    名詞

    • 1. North American a keen promoter of a person, organization, or cause athletic booster clubs
    • 2. a source of help or encouragement job fairs are a great morale booster
    • 3. a dose of an immunizing agent increasing or renewing the effect of an earlier one.
    • 4. the first stage of a rocket or spacecraft, used to give initial acceleration.
    • 5. a device for increasing electrical voltage or signal strength.
    • 6. North American informal a shoplifter.
    • n.
      an event, occurrence, or saying which raises morale: the first Test win was a real morale booster

    Oxford Dictionary

    • n.
      an extra seat or cushion placed on an existing seat for a small child to sit on.

    Oxford American Dictionary

    • n.
      another term for jumper cable

    Oxford American Dictionary

    • n.
      an extra seat or cushion placed on an existing seat for a small child to sit on.

    Oxford Dictionary

    • 更多解釋
    • IPA[ˈbuːstə]

    英式

    • n.
      a device for increasing electrical voltage or signal strength.

    Oxford Dictionary