cows

Most cows run dry in about 10 months.

大多数乳牛约10个月后就不再有奶了.

cows chewing the cud

在咀嚼反刍食物的牛

There were cows grazing beside the river.

有些牛在河边吃草。

The feeding of dairy cows has undergone a revolution.

乳牛的喂养方法发生了巨大的改变。

Farmers cultivate their farms with cows.

农夫用牛耕田.

The cows were driven into the barn.

牛被赶进了牲口棚.

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。

The gadget is used to artificially inseminate cows.

这个器具被用来为母牛实施人工授精。

The cows are artificially inseminated .

这些母牛被人工授精。

Cows were grazing on the marshes.

牛群在湿地上吃草。

cows taken for slaughter

待宰奶牛

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.

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 farmer milks the cows twice a day.

那农夫一天挤两次母牛的奶.

Cows and sheep are herbivores.

牛和羊是食草动物.