refresher

refresher
noun
  1. a thing that refreshes, in particular
    使恢复活力的事物,尤指
    ■[usu. as modifier]an activity that revises or updates one's skills or knowledge
    进修,更新(技术或知识)活动
    candidates take some refresher training before coming back.
    应试者参加进修训练后再来。
    ■(dated)a drink
    (旧)饮料
    ■(Law, Brit.)an extra fee payable to counsel in a prolonged case
    (律 英)(因诉讼延长而补给律师的)额外讼费
英语宝典
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