basic mare

例句：

1. 1.The basic mare is the foundation of our team.
   基础母马是我们团队的基础。
2. 2.The basic mare is a crucial part of the breeding process.
   基础母马是育种过程的关键部分。
3. 3. The basic mare is used to breed horses that are suitable for racing.
   基础母马用于培育适合赛跑的马匹。