马的复数形式： horses；
词组短语：
dark horse 黑马（出人意外获胜的赛马或参赛人）；
white horse n. 白马；
change horses (途中)换马 , 换主持人
There are only five horses running in the first race.
只有五匹马参加第一场比赛。
He lost a lot of money on the horses.
他赌赛马输了很多钱。
The two horses crossed the finishing line together.
两匹马同时越过终点线。
The horses' hooves bit deep into the soft earth.
马蹄深深地陷进了松软的土里。
Irish trainers have entered several horses in the race.
爱尔兰驯马师让好几匹马参加比赛。
温馨提示：
