例句
同义词
英语六级真题
  • Another grass-fed booster spurring farmers to convert is EpiC, which makes meat-based protein bars.
    2019年12月六级真题(第三套)阅读 Section B
柯林斯高阶英汉双解学习词典释义
英汉词典释义
英英词典释义
  • Noun
    1. a person who backs a politician or a team etc.;
    "all their supporters came out for the game""they are friends of the library"
    2. someone who is an active supporter and advocate
    3. a thief who steals goods that are in a store
    4. the first stage of a multistage rocket
    5. an additional dose that makes sure the first dose was effective
行业词典
  • 医学: 加强剂量:见dose项下;升压机(器);
    物理学: 增强器;
    电工: 升压机;
    航天: 助推器;
    航空: 助推器;用于导弹发射时使其迅速飞离发射器并加速达到预定飞行速度的火箭发动机。;
    铁道: 黏着重量增加器;