refresher
n. 进修；使人清新的事物
近义词：reminder，review，revision，update，refreshercourse，
英英释义
Noun
- a fee (in addition to that marked on the brief) paid to counsel in a case that lasts more than one day
- a drink that refreshes;
"he stopped at the bar for a quick refresher"
- a course that reviews and updates a topic for those who have not kept abreast of developments
例句
用作名词(n.)
- He was sent to take a refresher course in the university.他被送到大学进修。
- Salesmen have to attend refresher courses frequently.销售人员必须经常参加专业进修。