The operation was given the code name Dynamo.

The auctioneers are violating a code of practice by dealing in stolen goods.

拍卖商买卖赃物，违反了行规。

The company has a strict dress code—all male employees are expected to wear suits.

公司有严格的着装规定—所有男职员都要穿西服。

to decipher a code

破译密码

There were cows grazing beside the river.

有些牛在河边吃草。

cows chewing the cud

在咀嚼反刍食物的牛

a herd of cattle

一群牛

Cattle should be killed cleanly and humanely.

牛应该被干净利落地无痛屠宰。

A heifer bellowed in her stall.

小母牛在牛栏里吼叫。

The cow stamped on his side, winding him.

牛重重地踩在他的肋部，使他喘不上气来。

He touched the cow's side with his stick.

他用棍子碰了碰牛的肋部。

Take a sheet of filo pastry and brush it with melted butter.

取一张擀得很薄的油酥面皮，上面刷上一层熔化的牛油。

The festival commemorates the slaying of the demon buffalo.

那个节日是为了纪念杀死魔牛。

He had sought work as a cowboy, rounding up cattle.

他找了一份放牛的差事，负责把牛赶到一起。

Cowboys drove covered wagons and rode horses, lassoing cattle.

牛仔们有的赶着大篷车，有的骑着马，抛套索捕牛。

I rubbed the velvety grooves inside the calf's ears.

我摩挲着小牛耳朵里面柔软的凹槽。

Outside, two old boys lingered on the street corner discussing cattle.

两个老头儿在外面街角迟迟不走，聊着牛的事情。

The old stone cattle trough still sits by the main entrance.

陈旧的石制牛食槽仍然放在大门口。

Switzerland isn't all cow bells and yodelling, you know.

你知道，瑞士不仅仅只有牛铃声和约德尔调歌声。

He was riding on his horse looking for the castle.

他正骑着马寻找那座城堡。

Mahler was also known for his passionate involvements outside marriage.

马勒也因为其轰轰烈烈的婚外情而出名。