例句
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 collects things
    2. a person who is employed to collect payments (as for rent or taxes)
    3. a crater that has collected cosmic material hitting the earth
    4. the electrode in a transistor through which a primary flow of carriers leaves the region between the electrodes
行业词典
  • 冶金学: 捕收剂;
    土木工程: 集散车道;collector-distributor lane;
    机械: 集光器;由透镜与光阑组成。用来把适当大小光源的像投射到指定面上。;
    物理学: 集电[式]静电计;collector-type electrometer 指利用放射源电极的。;
    电子学: 集电极;
    航天: 聚光镜;