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The imported cows have given birth to their first calves .

这些进口的母牛已经产下了第一批牛犊。

You have two bulls . Pretend they are helpless calves .

你有两头公牛，但把他们装扮成无助的小牛犊。

Unfortunately for calves winter is a difficult time to be born .

但对于小牛犊来说，在冬季这个较为困难的时节出生则殊为不幸。

Andrey 's family has two cows and two calves - reliable household .

安德鲁的小家里有两只奶牛和两只小牛犊这是值得信赖的一家人。

Aurochs ` hair is brown , but young calves have reddish hair .

欧洲野牛的毛色是棕色的，但小牛犊的毛色略带红色。