It said that numbers of species have recovered enough to permit whaling.

报告显示，许鲸类已恢复至允许捕捞的数量。

And it was only one of many species of carnivorous whales in the middle Miocene.

，它只是中新世中期众食肉鲸类中的一种。

Whales return to the warmth of western Greenland, amongst them are narwhals.

鲸类纷纷回到温暖的西格陵兰岸。中的一种是角鲸。

It is China's only large whale found in coastal waters.

自此，它们成为了我国唯一一种活动于近岸的大型鲸类。

Some whale species are dying off because climate change has affected their supply of food.

由于气候变化影响了鲸类的食物供应，一些鲸类正在灭绝。

Those vertical lines entangle and kill endangered sea turtles and multiple whale species-including the North Atlantic right whales.

这些竖绳缠住并杀死濒临灭绝的龟和包括北大西洋露脊鲸在内的种鲸类。

There's a huge difference in the fact that the whales would have sonar and could use that to detect food.

鲸类能够用声纳来探测食物的事实带来了巨大区别。

Rolland and her team studied baleen, a substance found in the upper part of the mouth of some kinds of whale.

罗兰和团队研究了鲸须，一种位于某些鲸类嘴巴上部的物质。

The venture cetaceans can be divided into three big subspecies, each typified by big-name investors.

创业鲸类可分为三大亚种，各以大牌投资人为代表。

The skeletons of early whales revealed a fascinating transformation.

早期鲸类的骨骼揭示了一种令人着迷的转变。

The biting sperm whale of Japan is found in deposits that also have dolphins, other whale, very primitive sea lion like animals.

在日本发现的噬抹香鲸所处的沉积层还有、它鲸类、非常原始的类似狮的动物。

Some  of the first mammals to live underwater were likely the ancestors of modern cetaceans, like  whales and dolphins.

一些最早在水下生活的哺乳动物可能是现代鲸类的祖先，如鲸鱼和。

Without plankton, which is the global term for these tiny organisms, there would be no whales.

没有了这些浮游生物，也就是这些微生物的全球术语，鲸类也就不复存在了。

Similarly, the evolution of whales from land-dwelling creatures has remained a subject of fascination for scientists.

同样，鲸类从陆地生物进化来的过程一直让科学家们着迷。

However, the discovery of certain fossils provided crucial evidence that pointed toward the whale's evolutionary past.

然，某些化石的发现提供了指向鲸类进化历史的重要证据。

Regina Asmutis-Silvia is a biologist with the Whale and Dolphin Conservation in Massachusetts. She was not involved in the research, but she says it is important.

瑞吉娜·埃斯穆提斯-西尔维娅（Regina Asmutis-Silvia）是马萨诸塞州鲸类和保护组织的生物学家。她没有参与这项研究，但她说该研究十分重要。

Did erudite Stubb, mounted upon your capstan, deliver lectures on the anatomy of the Cetacea; and by help of the windlass, hold up a specimen rib for exhibition?

是那个博学的斯塔布，高踞于绞盘顶上，向你发布过有关鲸类解剖学的演讲吗；还是在绞盘的帮助下，吊起过作为样本的肋骨供你观看？

There is a Leviathanic Museum, they tell me, in Hull, England, one of the whaling ports of that country, where they have some fine specimens of fin-backs and other whales.

他们告诉我，在英国的捕鲸港口赫尔，有一家鲸鱼博物馆，那里有几头非常棒的脊鳍鲸和他鲸类的标本。

And though none of them precisely answer to any known species of the present time, they are yet sufficiently akin to them in general respects, to justify their taking ranks as Cetacean fossils.

尽管它们之中没有一个与现存已知鲸种精确相符，可在大致方面依然与现代鲸类非常相似，足以证明它们有资格跻身鲸类化石之属。

And, the paleontological evidence, the fossil evidence and evidence from looking at the DNA of living whales and other animals now really strongly points to whales being very closely related to hoofed mammals.

古生物学证据、化石证据以及对现代鲸类和它动物DNA的研究结果现在真的有力地指向鲸类与有蹄类动物的亲缘关系非常接近。