running up

• 助跑

running up的英文翻译是什么意思，词典释义与在线翻译：

英英释义

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

running up的用法和样例：

例句

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