back-class

短语

词形变化

back-classed back-classes 三单 back-classes back-classing back-classing 现在分词 back-classed 过去式 back-classed 过去分词

释义与例句

v.
  1. 1.

    To retake a failed part of training.

    英国 政治 军事

词源

From back- + class.

来源：wiktionary