The dolphin is an intelligent animal.

海豚是聪明的动物。

The dolphin has evolved a highly developed jaw.

海豚已经进化形成高度发达的下颌。

The story describes the extraordinary encounter between a man and a dolphin.

这个故事描述了一个男人与一只海豚之间的奇遇。

The whale, like the dolphin, has become a symbol of the marvels of creation.

鲸，和海豚一样，已经成为造物杰作的象征。

I like to watch dolphin shows.

我喜欢看海豚表演。

The dolphin helps you do that.

那只海豚帮助你做到这一点。

Is that a dolphin in the water?

水里的是海豚吗？

Then they watched a dolphin show.

然后他们看了一场海豚表演。

My favorite animal is the dolphin.

我最喜欢的动物是海豚。

She is a Chinese dolphin.

她是一只中国海豚。

What a smart dolphin!

多么聪明的海豚啊！

Why do you want to be a dolphin trainer?

你为什么想成为海豚训练师？

My mum is a dolphin.

我的妈妈是一条海豚。

The adult Chinese white dolphin is pink.

那只成年中华白海豚拥有一身耀眼的粉红色。

I want the dolphin!

我想要那只海豚！

"Surely, there are," answered the Dolphin.

“当然有。”海豚回答。

It's a dolphin.

它是一只海豚。

I'm a dolphin.

我是一只海豚。

One animal known to be a friend of humans is the dolphin.

海豚是人类的朋友。

These patterns were analogous to the tones used in the dolphin study.

这些模式与海豚研究中使用的音调相似。

These sounds, it has been found, are produced in the air-filled nasal sacs of the dolphin.

人们发现，这些声音是由海豚充满空气的鼻囊发出的。

"Even two words, if you want," answered the fish, who happened to be a very polite Dolphin.

“两句也行，如果你愿意。”鱼回答。它碰巧是一条很有礼貌的海豚。

This special fatty tissue, the only other place is found in the dolphin, is in the lower jaw.

而在海豚身上的其他地方，唯一发现有这种特殊的脂肪组织的地方就是下颌。

"In the storm of last night," answered the Dolphin, "the little boat must have been swamped."

“在昨晚的暴风雨中，”海豚回答说，“那小船一定是被淹了。”

If the wrong paddle was pressed, the dolphin had to wait several seconds before it could try again.

如果按错了踏板，海豚必须等几秒钟才能再试一次。

But unlike in the dolphin experiment, the monkeys had to complete four trials before they got any feedback.

但与海豚实验不同的是，猴子们必须完成四项实验才能得到反馈。

The closer it came in pitch to the first one, the hard it became for the dolphin to correctly identify it as low.

它的音高越接近第一个音高，对海豚来说就越难辨别出它是低音。

It began with a study one of them did on a dolphin, who had been trained to recognize a particular high-pitched tone.

首先，他们中的一个人对海豚做了一项研究，训练它识别一种特殊的高音。

Listen to the anguished squeal of a dolphin separated from its pod or witness the sight of elephants mourning their dead.

听一听从海豚群中分离出来的痛苦尖叫，或者亲眼目睹大象为它们的死亡哀悼。

Once the dolphin figured out the result of pressing this new paddle, it did choose it frequently when the trial was difficult.

一旦海豚发现了按这个新踏板的结果，当测试难度非常高时，它就会很频繁地按这个踏板。