refresher
noun[C]
uk/rɪˈfreʃ.ər/us/rɪˈfreʃ.ɚ/acoursetopractiseandimproveskills,especiallybecause you have not used them for alongtime:
(尤指为练习和提高长期不用的技能而上的)进修课程I went on a refreshercourseon newtechniquesindesigntobringmyself up todate.我参加了新设计技巧进修课程,以使自己跟上最新形势。
Classes & courses
- academic year
 - access course
 - advanced
 - Advanced Placement
 - asynchronous
 - field trip
 - foundation course
 - grind
 - homework
 - HyFlex
 - immersion course
 - interdisciplinarity
 - non-class
 - non-degree
 - open admissions
 - open classroom
 - prep
 - reception
 - the national curriculum
 - workshop