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   run up

1. Oxford American Dictionary

   run-up

   • IPA[ˈrənˌəp]

   美式

   • n.
     the period preceding a notable event；an act of running briefly to gain momentum before performing a jump in track and field or other sports

   • noun: run-up, plural noun: run-ups

2. • 釋義

   n.

   名詞

   • 1. the period preceding a notable event it is going to be a busy run-up to Christmas
   • 2. an act of running briefly to gain momentum before performing a jump in track and field or other sports high jumper Steve Smith will use his shortened five-stride run-up
   • 3. a low approach shot that bounces and runs forward.
   • 4. an act of running an engine or turbine to prepare it for use or to test it other than for the first flight of the day, engine run-ups are not deemed necessary
   • 5. a marked rise in the value or level of something a sharp run-up of land and stock prices