北冰洋的鲸类仍然遭到猎杀。
幼鲸长出一层厚脂肪以抵御冰冷的海水。
The baby whale develops a thick layer of blubber to protect it from the cold sea.
鲸被鱼叉射中后下潜。
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.
科学家们感到不解：为什么这头鲸游到海岸上来。
Scientists are puzzled as to why the whale had swum to the shore.
人类从座头鲸身上借用了音乐灵感。
不要盖住搁浅的鲸的喷水孔！
也许他只会说鲸语。
磷虾数量的减少和气温的升高可能迫使南极鲸迁徙。
Shrinking krill population and rising temperatures could force Antarctic whales to migrate.
即使是座头鲸也喜欢用它们的右颚从海底刮沙鳗鱼。
Even humpback whales prefer to use the right side of their jaws to scrape sand eels from the ocean floor.
他继续按照他的分类学，把鲸按大小分为三大类或三本书。
Continuing in his taxonomy, he groups whales into three major categories, or books, by size.
鲸作为社会性动物，可能需要大规模聚集的刺激来诱导繁殖行为。
Whales being sociable animals probably need the stimulus of sizeable gatherings to induce reproductives behavior.
这种鲸保留了尾巴，没有现代水生鲸类动物用于行动的主要部位，尾片。
The whale retained a tail and lacked a fluke, the major means of locomotion in modern cetaceans.
就生理机能而言，棱皮龟从某种程度上来说更像一只爬虫类的鲸，而非海龟。
When it comes to physiology, the leatherback turtle is, in some ways, more like a reptilian whale than a turtle.
直到大约1000万年后，鲸类才进化出专门的肾脏，使它们能够饮用盐水。
Not until about ten million years later did species of whales develop specialized kidneys enabling them to drink salt water.
仪式权杖柄是用一种小型的北极独角鲸的牙齿制成的。门柄是用海象的牙齿制成的。
The shaft of the ceremonial mace is the whorled tusk of a narwhal, a small Arctic whale. The door handles are of walrus tusk.
一些鱼类已经开始吞食鲸的尾巴。
世界上已知的鲸落不到50个。
座头鲸以每小时1.6公里的速度从阿拉斯加游到夏威夷。
Humpback whales swim at a speed of 1.6 kilometers an hour from Alaska to Hawaii.
科学家在鲸落附近发现了少数生物物种。
Scientists have found several species (物种) near the whale fall.
人类捕鲸是为了获取鲸鱼肉、鲸脂和鲸油。
它清楚地显示了龙王鲸是由陆地生物进化而来的。
It clearly shows Basilosaurus's evolution from land creatures.
除了头部和鳍状肢外，棱皮龟的全身都有鲸脂保护。
Insulation protects the leatherback everywhere but on its head and flippers.
逆戟鲸，或称虎鲸，正饱受毒素生物积累作用的折磨。
Orcas, or killer whales, are afflicted by bio-accumulation of toxins.
它们耐心地在水面下照顾幼鲸，等待哺乳期的母鲸回来。
They patiently take care of the young whales just under the surface of the water, waiting for the feeding mothers to return.
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