refresher
柯林斯词典
1. N something that refreshes, such as a cold drink 使人恢复活力的东西
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reˈfresher /rɪˈfrɛʃə/
剑桥词典
- a course to practise and improve skills , especially because you have not used them for a long time
（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 refresher course on new techniques in design to bring myself up to date . 我参加了新设计技巧进修课程，以使自己跟上最新形势。 返回 refresher