Out back,you'll often see small flocks of sheep or goats being herded by riders on horseback.

VOA: standard.2010.03.22

One would be characteristic of semi-nomadic pastoralists: the sacrifice of the first lamb born in the spring to the deity in order to procure favor and continued blessing on the flocks for the spring.

一种是具有半游牧人的特色：,他们把春天里的第一只羊羔献给神,为了获得神的偏爱,来年春天继续赐福。

耶鲁公开课 - 旧约导论课程节选

They are leaders of their flocks.

他们是各自信徒的领导者。

耶鲁公开课 - 弥尔顿课程节选

Their flocks have thick wool.

他们的羊皮毛厚实有料

耶鲁公开课 - 古希腊历史简介课程节选