cattle是什么意思

　　This particular breed of cattle matures early.

　　这一品种的`牛发育成熟快。

　　The leaves of certain trees are poisonous to cattle.

　　某些树的叶子会毒害牲畜。

　　The cattle were put out to pasture.

　　牛群放牧在牧场草地上。

　　The cattle are fed barley.

　　这些牛要喂大麦。