refresher [rɪ'freʃə]

例句:

• Maybe you need a refresher course in theoretical exobiology.
  来自CNN
• It's partly a refresher course for the salesmen and partly an exercise in staff relations.
  开这会一半是给销售人员上堂进修课,一半是让职工彼此进行联谊活动.
  
• Imagine that you need refresher on how to tie a tie.
  假设,您需要了解如何打领带.
  
• Counsel's brief fee be $ 1, 000 with refresher of $ 250.
  律师的聘请费为1, 000美元还有额外费用250美元.
  
• I get a refresher course on the principles of investing.
  来自WSJ
• It's a good refresher course, but not a hugely gripping one.
  来自WSJ