名词
中文翻译：Unknown
同义词：
['race day', 'race day of the week例句：1. The annual horse racing event is always a big draw for spectators.（一年一度的赛马活动总是吸引着观众。）']
例句：
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1. The annual horse racing event is always a big draw for spectators.
一年一度的赛马活动总是吸引着观众。
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2.This racemoid is designed to test the horses' endurance and speed.
这个赛马日是为了测试马匹的耐力和速度。
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3. The racemoid was held on a sunny Saturday morning.
赛马日在一个阳光明媚的周六早上举行。