海豚有时跟着船只的尾波戏水。
海豚已经进化形成高度发达的下颌。
许多海豚可潜到200米深。
每年都有许多海豚被捕鱼网缠绕致死。
Many dolphins die each year from entanglement in fishing nets.
很多海豚因捕鱼设备的缠绕而意外死亡。
Many dolphins are accidentally killed through entanglement with fishing equipment.
鲸，和海豚一样，已经成为造物杰作的象征。
The whale, like the dolphin, has become a symbol of the marvels of creation.
这个故事描述了一个男人与一只海豚之间的奇遇。
The story describes the extraordinary encounter between a man and a dolphin.
海豚偶尔会在戏耍时用它们的尾巴拍打海水或剧烈地翻腾海水。
Occasionally dolphins slap the water with their tails or churn it up in play.
我最喜欢的动物是海豚和兔子。
然后他们看了一场海豚表演。
你为什么想成为海豚训练师？
海豚实际上会发出两种声音。
海豚用它们的尾巴游得更快。
那只海豚帮助你做到这一点。
测试海豚对各种信号的反应。
这些模式与海豚研究中使用的音调相似。
These patterns were analogous to the tones used in the dolphin study.
训练者和海豚在做什么？
但在大象和宽吻海豚身上也发现了这种物质。
But it's also been found in elephants and bottlenose dolphins.
我喜欢看海豚表演。
令人惊讶的是，海豚的成功率达到了100%。
Amazingly enough, the dolphins achieved a 100% success rate.
我与海豚一同玩过。
我对海豚感兴趣。
所以研究人员相信海豚知道镜子里的就是它们自己。
So the researchers believed that the dolphins knew the ones in the mirror were just themselves.
如果按错了踏板，海豚必须等几秒钟才能再试一次。
If the wrong paddle was pressed, the dolphin had to wait several seconds before it could try again.
深度睡眠时，参与者的大脑表现与鸟类、海豚相似。
During deep sleep, the participants' brains behaved in a similar manner seen in birds and dolphins.
人们发现，这些声音是由海豚充满空气的鼻囊发出的。
These sounds, it has been found, are produced in the air-filled nasal sacs of the dolphin.
如果光线保持稳定，海豚应该以相反的顺序按压杠杆。
If the light was kept steady, the dolphins were supposed to press the levers in reverse order.
蜜雪儿伸出她的手，轻柔地触摸着其中一只海豚的鳍。
Michelle reached out her hand and gently touched the fin of one of the dolphins.
例如，海豚以及其他海洋动物，在睡觉时会关闭半边大脑。
For example, dolphins, as well as other marine animals, shut down one hemisphere of the brain when they go to sleep.
先前的一项研究指出，海豚总是有意识地控制自己的呼吸。
A previous study noted that dolphins always consciously control their breathing.
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