herd
/hərd/
a group of cattle or sheep or other domestic mammals all of the same kind that are herded by humans
中文释义:兽群;牧群
The shepherd guided the herd of sheep across the green pasture.
牧羊人引导着羊群穿过绿色的牧场。
A herd of cattle was seen grazing peacefully near the riverbank.
一群牛被看到在河岸附近安静地吃草。