| 单词 | run-up | 
| 释义 | run-up1 of 2noun   ˈrən-ˌəp  1   : the act of running up something   2   : a usually sudden increase in volume or price   3   : a period immediately preceding an action or event   run up2 of 2 verb  ran up; run up; running up; runs up   intransitive verb   : to grow rapidly : shoot up   transitive verb 1   : bid up   2   : to stitch together quickly   3   : to erect hastily   4   : to achieve by accumulating  ran up a big lead run-up noun1 as in countdown Synonyms & Similar Words Relevance 
 2 as in spike Synonyms & Similar Words 
 Antonyms & Near Antonyms 
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