The animals were penned up in cages.

这些动物被关在笼子里了。

The animals were seriously maltreated.

这些动物受到了严重的虐待。

The animals live in matriarchal groups.

这些动物按母系群体生活。

The animals are stunned before slaughter.

屠宰前要先把动物击昏。

We stood stock-still watching the animals.

我们一动不动地站着观看那些动物。

Flies buzzed at the animals' swishing tails.

苍蝇在动物甩动的尾巴边嗡嗡叫。

This experiment was harmless to the animals.

这个实验对动物无害。

The animals all looked well fed and cared for.

这些动物看上去都得到了精心的饲养和照料。

All too often the animals die through neglect.

动物因缺乏照料而死亡的事司空见惯。

The animals are herded into a bay, then butchered.

动物被赶到隔栏内，然后被屠宰。

A mysterious illness is affecting all the animals.

一种奇怪的疾病正在侵袭所有的动物。

The animals are kept in the most wretched conditions.

这些动物的饲养条件极其恶劣。

The animals settled peacefully to their noontime meal.

这些动物安静下来，吃它们的午餐。

The trees provide shade for the animals in the summer.

夏天，这些树为动物提供乘凉的地方。

They first implanted capsules into the animals' brains.

他们先将胶囊植入那些动物的大脑。

They had observed regularities in the behaviour of the animals.

他们曾观察过这些动物的习性。

Most information was collected by direct observation of the animals' behaviour.

大部分信息都是通过直接观察动物的行为收集到的。

The animals were reared in conditions which approximated the wild as closely as possible.

这些动物是在尽量近似自然的环境下饲养的。

The animals don't get startled.

动物不会受到惊吓。

Is it time to see the animals?

到该看动物的时间了吗？

The animals are not against that.

动物们并不反对。

The animals are having a sports meet.

动物们正在举行一个运动会。

The lion is the king of all the animals.

狮子在动物里是称王的。

They could hear the noises of the animals.

他们能听到动物的声音。

Visitors are not allowed to feed the animals.

游客不得给动物喂食。

We climbed the mountains, fed the animals and went fishing.

我们爬山，喂动物，钓鱼。

The animals huddled together for warmth.

那些动物依偎在一起取暖。

The animals had been grossly ill-treated.

那些动物受到了恣意虐待。

The animals were left to starve to death.

那些动物只能等着饿死。

They had to flay the animals and cut them up.

他们不得不将动物剥皮并切块。