run-up
美英
- n.(重要事情的)前期;准备阶段;助跑;助跑距离
- 网络预备阶段;抬高;事情的预备阶段
复数:run-ups

run-up
1.~ (to sth)(重要事情的)前期;准备阶段;准备a period of time leading up to an important event; the preparation for this
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