绵羊的统称的英文：
flock
n. 畜群；人群，群众；同一教会团体的教徒；毛束，棉束，棉丛
v. 群集，成群结队而行
- They are the flock of Buddhist.
他们是佛教徒。 - The infected breeder flocks are quarantined from uninfected flocks
把感染群同非感染群隔离开来。 - Birds of a feather flock together.
同类之鸟聚集在一起(物以类聚)。 - It is a small flock that has not a Black sheep
家家难免有败类 - There is a black sheep in every flock.
在每一群羊中总有一只黑羊（害群之马）。