This particular breed of cattle matures early.

　　這一品種的牛發(fā)育成熟快。

　　The leaves of certain trees are poisonous to cattle.

　　某些樹(shù)的葉子會(huì )毒害牲畜。

　　The cattle were put out to pasture.

　　牛群放牧在牧場(chǎng)草地上。

　　The cattle are fed barley.

　　這些牛要喂大麥。