高考The purpose of a pony drift is to gather them up so their health can be checked, the baby ones can be stooped from feeding on their mother's milk, and those who've gone beyond their limited area can be returned to their correct area.

小马漂流的目的是将它们聚集起来，以便检查它们的健康状况，婴儿可以弯腰不吃母乳，那些超出其有限区域的人可以返回正确的区域。

2015年高考英语湖北卷 阅读理解 阅读A 原文