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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。
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The dolphin has evolved a highly developed jaw .
海豚已经进化形成高度发达的下颌。
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Many dolphins die each year from entanglement in fishing nets .
每年都有许多海豚被捕鱼网缠绕致死。
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The dolphin is an intelligent animal .
海豚是聪明的动物。
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A dolphin leapt out of the water .
海豚跃出水面。
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A large proportion of the dolphins in that area will eventually die
那片区域里的很大一部分海豚终将死去。
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Whales and dolphins are still being slaughtered for commercial gain .
仍然有人为了商业利益大肆捕杀鲸鱼和海豚。
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Dolphins sometimes play in the wake of the boats .
有时海豚在船的尾流中嬉戏。
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Dolphins have sometimes been known to save drowning swimmers .
据悉海豚有时会救溺水的游泳者。
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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。
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Marine biologists are calling for Cardigan Bay to be created a marine nature reserve to protect the dolphins .
海洋生物学家号召将卡迪根湾建成一个海洋自然保护区,以保护那里的海豚。
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He was so happy communing with the dolphin in Dingle Bay
他在丁格尔湾与海豚交流的时候特别开心。
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They cynically tried to trade off a reduction in the slaughter of dolphins against a resumption of commercial whaling
他们见利忘义地试图以减少屠杀海豚数量作为交换条件,重启商业捕鲸。
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Dolphins are graceful and efficiently swimmers .
海豚游泳动作敏捷,姿势优美。
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A previous study noted that dolphins always consciously control their breathing .
之前的一项研究指出,海豚会有意识地控制自己的呼吸。
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For example , dolphins , as well as other marine animals , shut down one hemisphere of the brain when they go to sleep .
比如海豚,还有其他一些海洋动物,它们睡眠时会关闭大脑的一个半球。
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But , as the human study suggest , another reason for dolphins keeping their eyes open during sleep is that they can look out for predators while asleep .
但是,正如这项针对人类的研究所显示的,海豚睁眼睡觉的另一个原因在于它们睡觉时要提防捕食者。
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During deep sleep , the participants ' brains behaved in a similar manner seen in birds and dolphins .
在深度睡眠阶段,参与者的大脑和鸟类与海豚处于类似的情况。
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She also knew from previous work conducted on birds and dolphins that these animals put half of their brains to sleep at a time so that they can rest while remaining alert enough to avoid predators .
她还从之前对鸟类和海豚的研究工作中得知,这些动物每次睡觉时都让它们的半边大脑处于睡眠中,这样它们能够一边保持对捕食者的警觉,一边休息。
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Like humans , every dolphin has its own " name " .
和人类一样,每只海豚都有自己的"名字"。
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Dolphins use their brains quite differently from the way humans do .
海豚使用大脑的方式与人类完全不同。
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Dolphins are also social animals .
海豚也是群居动物。
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Understanding dolphin conversation is not easy for humans .
人类不能轻易理解海豚的对话,
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But scientists say dolphins and humans are very similar in some ways . How ?
但是科学家说海豚和人类在某些方面非常相似。是怎样相似的呢?
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Why do dolphins help the men ?
为什么海豚要帮助人类?
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Dolphins and humans are similar in another way : both species make plans for getting things they want .
海豚和人类在另一个方面是相似的:这两个物种都为所想得到的东西制定计划。
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No one " speaks dolphin " yet , but some scientists are trying to learn .
目前还没有人会说"海豚语",但一些科学家正在努力学习。
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In the seas of southern Brazil , for example , dolphins use an intelligent plan to get food .
例如,在巴西南部海域,海豚使用了一种很聪明的计划来获取食物。
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People travel to watch monkey shows , hug baby tigers and swim with dolphins .
人们去看猴子表演,拥抱小老虎,和海豚一起游泳。
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Dolphins are smarter animals in the sea .
海豚是海洋中比较聪明的动物。