postestrus

例句：

1. 1. The pregnant mare is a valuableasset to the farm.
   这匹怀孕的母马是农场的宝贵资产。
2. 2. The pregnantmares are being monitored closely for anysigns of labor.
   怀孕的母马正被密切监测，以观察任何分娩的迹象。
3. 3.The pregnant mare was brought to theveterinarian for a check-up.
   怀孕的母马被带到了兽医那里进行体检。