| 释义 | jump-off \ˈ ̷ ̷ˌ ̷ ̷\ noun
 (-s)
 1.  : an act of jumping off : a place from which to jump off : the start of a race or an attack
 < the jump-off was at twelve — Dan Levin >
 2.  : an additional round of competition to determine the winner when two or more horses are tied after completion of the first round of jumping
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