see service

短语

具有经验, 使用很多而变旧

词形变化

saw service seeing service seen service sees service 三单 sees service seeing service 现在分词 saw service 过去式 seen service 过去式 seen service 过去分词

释义与例句

v.
  1. 1.

    To be put to use; to be employed for a purpose.