马尾

例句：

1. 1. The horse has a beautiful mane and tail.
   这匹马有美丽的鬃毛和尾巴。
2. 2. The mare is the most beautiful horse in the race.
   母马是比赛中最漂亮的马。
3. 3. The horse's tail was used to signal danger.
   马的尾巴用来表示危险。