refresher

名词 refresher:

1. a fee (in addition to that marked on the brief) paid to counsel in a case that lasts more than one day
2. a drink that refreshes
3. a course that reviews and updates a topic for those who have not kept abreast of developments
   同义词：refresher course

1. He go on a refresher course in bookkeeping.
   他继续学习笔记进修课程。

re.fresh.er

n.（名词）
One that refreshes:
清凉物：
例句：
a lemon refresher, imbibed on a hot day.
在热天喝的柠檬清凉饮料

Instruction that serves to reacquaint one with material previously studied or to bring one`s knowledge or skills up to date.
进修：使人熟悉以前学过的知识或使人的知识跟上时代节奏的教学