Yahoo香港字典 搜尋

  1. polish up

    • vt.
      擦亮;改進
    • 釋義

    及物動詞

    • 1. 擦亮
    • 2. 改進 to polish up one's French/knowledge/pronunciation 提高法語水平/完善知識結構/改進發音 the hotel has polished up its act since last year 這家旅館自去年以來改善了經營