cows

The feeding of dairy cows has undergone a revolution.

乳牛的喂养方法发生了巨大的改变。

The cows are artificially inseminated .

这些母牛被人工授精。

The milkman selected the spotted cows, from among a herd of two hundred.

牛奶商从一群200头牛中选出有斑点的牛.

Cows and sheep are herbivores.

牛和羊是食草动物.

cows chewing the cud

在咀嚼反刍食物的牛

The farmer milks the cows twice a day.

那农夫一天挤两次母牛的奶.

Cows were grazing on the marshes.

牛群在湿地上吃草。

cows taken for slaughter

待宰奶牛

The gadget is used to artificially inseminate cows.

这个器具被用来为母牛实施人工授精。

There we saw herds of cows grazing on the pasture.

我们在那里看到一群群的牛在草地上吃草.

The cows were driven into the barn.

牛被赶进了牲口棚.

Most cows run dry in about 10 months.

大多数乳牛约10个月后就不再有奶了.

Five cows graze serenely around a massive oak.

5头奶牛在一棵大橡树旁悠闲自在地啃着青草。

There were cows grazing beside the river.

有些牛在河边吃草。

Farmers cultivate their farms with cows.

农夫用牛耕田.