stablemate

例句：

1. 1.They were stablemates in the army and now work together as a team.
   他们在军队中是战友，现在作为团队一起工作。
2. 2.The two stablemates decided to move to a new city together.
   这两个同伴决定搬到一个新的城市一起住。
3. 3. He was surprised when he found out that his stablemate had betrayed him.
   当他发现他的同伴背叛了他时，他感到惊讶。