require improvement

短语

词形变化

required improvement requires improvement 三单 requires improvement requiring improvement requiring improvement 现在分词 required improvement 过去式 required improvement 过去分词

释义与例句

v.
  1. 1.

    To be in a state of failing.

    英国
  2. 2.

    Used other than figuratively or idiomatically: see require, improvement.