running up

英 美
  • 助跑
  • running adv.连续地n.跑步;运转;管理
  • up adv.向上;起来;上升;往上prep.向上adj.向上的;上行的n.上升v.上升;增加
名词 run-up:
  1. a substantial increase over a relatively short period of time

  2. the approach run during which an athlete gathers speed

    1. He ran up and jumped a long distance.
      他助跑,然后起跳,跳的很远。