run-up
/ˈrʌnʌp/noun
1
- the period preceding a notable event（重大事件的）序幕, 前奏; 前导期, 预备期：
a programme aimed at lowering unemployment in the run-up to the next election.
下次选举准备期内旨在降低失业率的计划。
2
- an act of running briefly to gain momentum before performing a jump in athletics, bowling in cricket, etc.（田径运动中跳高、跳远或板球的投球等之前的）助跑。
2.1
- the strip of ground behind the wicket on which the bowler runs before bowling助跑区（投球手投球之前在三门柱后面助跑的地带）。
3
- Golf a low approach shot that bounces and runs forward【高尔夫】（打近球穴的）低滚球, 击低近球。
4
- an act of running an engine or turbine to prepare it for use or to test it（发动机或涡轮机的）预备性运转; 测试运转, 试运行。
5
- a marked rise in the value or level of something急剧上升; 迅速增长：
a sharp run-up of land and stock prices.
土地和股票价格的猛涨。