loop up

短语

词形变化

looped up looping up loops up 三单 loops up looping up 现在分词 looped up 过去式 looped up 过去分词

释义与例句

v.
  1. 1.

    To form a loop by raising (something that is hanging down or descending).

    及物/不及物
  2. 2.

    To get back together.

    不及物
  3. 3.

    To continue teaching the same students for the next year of the curriculum.

    不及物 教育