Dad went out to milk the cows.

爸爸出去给牛挤奶去了。

Cows were grazing on the marshes.

牛群在湿地上吃草。

Cows are sacred to Hindus.

印度教徒把牛奉为圣物。

He kept a few dairy cows.

他养了几头奶牛。

The cows are artificially inseminated.

这些母牛被人工授精。

There were cows grazing beside the river.

有些牛在河边吃草。

The cows are out now, grazing in the pasture.

牛群现在出去了，正在牧场上吃草。

Five cows graze serenely around a massive oak.

5头奶牛在一棵大橡树附近安静地吃草。

The gadget is used to artificially inseminate cows.

这件小装置用来给奶牛进行人工授精。

The feeding of dairy cows has undergone a revolution.

奶牛的喂食已经历了一场革命。

We picked the corn by hand and we fed it to the hogs and the cows.

我们掰下玉米，用来喂猪和奶牛。

The cows' rumps were marked with their owner's initials and a number.

这些奶牛的臀部上标有它们主人姓名的首字母和一个数字。

When his cows calve each year he keeps one or two calves for his family.

每年他的母牛产犊时，他都为家里留下一两头。

They said that the total number of cows dying from BSE would be twenty thousand.

他们说死于疯牛病的奶牛总数会有2万头。

Before silos were invented, cows gave less milk during winter because they had no green grass to eat.

筒仓发明之前，因为没有青草可以吃，奶牛在冬天产奶量减少。

The lion killed all the cows.

狮子杀死了所有的牛。

Old cows can catch no rabbits.

老牛追不上兔子。

They've got some beautiful cows.

他们有一些漂亮的奶牛。

Cows were roaming the grassland.

乳牛在草地上徘徊。

The cows are drinking water.

奶牛正在喝水。

Cows are not milk machines.

奶牛不是产奶机器。

They can watch cows giving birth.

他们可以参观母牛的分娩过程。

Some cows are born without horns.

有些奶牛生来无角。

Others drink water with the cows.

另一些在和奶牛一起喝水。

They are cows. I like cows.

是奶牛。我喜欢奶牛。

Why do cows use telephone?

为什么奶牛要用电话？

Where are cows? There are no cows.

奶牛在哪里？这里并没有奶牛。

They dried off their cows.

他们榨干了奶牛。

Cows are useful animals.

牛是有用的动物。

How many cows are there?

那儿有多少只奶牛？