refresher course

名词 n.
中文释义

英文释义

名词 n.
  1. A short course of additional training or updating knowledge of one's profession.
    — Another example of the quality of staff is the percentage of passes achieved by firemen after a refresher course of one week on driving steam locomotives—until recently a necessary qualification for a diesel driver, even within a fully dieselised scheme.

词形变化

refresher courses plural
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