sheep是可数名词，其复数形式仍为sheep，例如a flock of sheep一群羊、Sheep were grazing in the fields羊在野地里吃草等。sheep除了表示羊、绵羊等含义，还可以表示胆小的人、缺乏主见的人，例如workers are sheep工人像绵羊一样温顺听话等。

相关例句：

1、That doesn't mean that its workers are sheep.

这并不是说员工应该像绵羊一样温顺听话。

2、He is the shepherd and we are his sheep.

他是牧羊人，我们是他的羊。

3、In the Hebrides they shear their sheep later than anywhere else.

在赫伯里兹，剪羊毛的时间比其他任何地方都要晚。

4、Lambing is the climax of the sheep farmer's year.

一年之中，产羔期最令羊农高兴。

5、The hills have been grazed by sheep because they were too steep to be ploughed

这几座山过于陡峭，不适于耕种，所以就用来牧羊了。