run-up

• 名词，指事件发生前的准备期或势头积聚阶段，也指运动员在跳跃或投掷前为加速而做的助跑。

A noun referring to a period of preparation or increase leading up to an event, or the approach run taken by an athlete to gather speed before a jump or throw.

1. Rapid increaseB2formal

   A significant and swift rise in value, amount, or intensity over a short duration.

   急剧上升

   • There was a sharp run-up in stock prices before the announcement.
   • The run-up in housing costs has made it difficult for first-time buyers.
   • Economists are concerned about the run-up in inflation.

   同义词boostescalationjumpleaprisespikesurgeupsurge

   反义词declinedecreasedropfallplunge

2. Approach run in sportsB2formal

   The preparatory running motion an athlete makes before a jump, throw, or other action to build momentum.

   助跑

   • The long jumper's run-up was perfectly timed.
   • He practiced his run-up for the high jump repeatedly.
   • A consistent run-up is crucial for a successful pole vault.

   同义词approachlead uprun