马表

例句：

1. 1. The horse clock on the stable wall is an essential tool for the stable master to keep track of the horses' activity.
   马厩墙上的马表是马厩主人用来追踪马匹活动的重要工具。
2. 2. The horse timer was used to measure the distance traveled by the horses during the race.
   马计时器被用来测量赛马在比赛中跑过的路程。
3. 3. The horse clock in the stable helped the stable master to ensure that the horses were fed and watered at the right times.
   马厩里的马表帮助马厩主人确保马匹按时喂食和饮水。