racehorse
柯林斯词典
1. N-COUNT A racehorse is a horse that is trained to run in races. 赛马
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racehorse /ˈreɪsˌhɔːs/ (racehorses)
剑桥词典
- a horse bred and trained for racing
（专门培育的）比赛用马，赛马 返回 racehorse
（专门培育的）比赛用马，赛马 返回 racehorse
（专门培育的）比赛用马，赛马 返回 racehorse