The excreta of humans and land animals contain soluble refractory organic matter. After countless generations in water, some of them took the risk to ascend and started the lengthy evolutionary process of terrestrial animals.

It is almost always due to some very special circumstances that traces of land animals survive

几乎总是由于某些特殊的条件，陆地动物的遗体才被存下来

互联网摘选

It was the perfect habitat for the largest land animals that had ever lived, the sauropods, long-necked, plant-eating dinosaurs.

这里是大型陆地动物的完美栖息场所，蜥脚类恐龙，长颈食草类恐龙曾在这里生活。

互联网摘选

Under those trees land animals loaded with cutlets and roast beef, which I'd be happy to sink my teeth into.

树下有地上的动物，动物身上有大块大片的肉，我真想咬它们几口呢。

互联网摘选

The American buffalo is one of the largest land animals in North America.

n.野牛；水牛（=water buffalo）美洲野牛是北美陆地上体型最大的动物之一。

互联网摘选

By contrast, "Land animals-like ourselves-are always working to keep themselves upright and keep their shape," Mouritsen says, so our muscle fibers are thicker, tougher and firmer.

莫里特森说，相比之下，“陆地动物——比如我们人类——需要一直保持站立的姿态。”所以我们的肌肉纤维更密集、更强健、更结实。

互联网摘选

This applies not only to aquatic and land animals, but also to plant species, whether domesticated and not.

这不仅可适用于水生和陆生动物，还可适用于植物，而不论是否是驯养的。

互联网摘选

The largest land animals on Earth.

它们是地球上最大的陆生动物。

互联网摘选

INSECTS communicate not only between species but with subterranean and land animals and use plants like a telephone line to exchange information.

各种昆虫能相互沟通，和地下及陆上的动物也能透过动物像通电话般进行交换。

互联网摘选

Its forbidding climate and wild seas prevented the migration and development of land animals such as the Arctic regions know.

和人们已熟知的北极区域一样，它那令人难以亲近的气候和狂野的海浪使得陆地动物无法迁移至此和繁衍。

provided by jukuu

Now then, the sea is precisely their best medium, the only setting suitable for the breeding and growing of such giants--next to which such land animals as elephants or rhinoceroses are mere dwarves.

而海洋正是这些幻想的最好泉源，因为只有海才是巨大动物可以繁殖和成长的环境，陆上的动物，大象或犀牛之类。跟它们比较起来，简直渺小得很。

互联网摘选

Fish muscle is very different than that in land animals.

鱼类的肌肉和陆地动物的肌肉有很大不同。

互联网摘选

These more metabolically active reptiles, which could survive the harsh interior regions of Pangaea, became the dominant land animals of the late Permian.

这些新陈代谢更活跃的爬行类，能够熬过盘古大陆上的恶劣环境并成了后期二叠纪上的霸主。

互联网摘选

Geologists have found that plankton and molluscs were wiped out in vast numbers and that land animals and plants were also affected.

地质学家们发现，当时浮游生物和软体动物大量消失，陆生动植物也受到了影响。

互联网摘选

In each of the others up to half of all land animals and up to 95 percent of marine species disappeared.

每次物种灭绝，都有半数甚至95%的海洋生物彻底消失。

互联网摘选

They also have a greater capacity than land animals to store oxygen in their blood.

它们在血内储氧的能力比陆生动物高出许多。

互联网摘选

The Triassic period ended 210m years ago with another mass extinction of sea creatures, and some land animals as well.

2.1亿年前三叠纪末期，大批海洋生物和部分陆地动物灭绝；

互联网摘选

Nor I, sir, Captain Nemo answered me. I never touch the flesh of land animals.

先生，尼摩船长回答，我从来也不吃陆上动物的肉。

互联网摘选

But scientists have now discovered the largest living land animals have personalities to match their size.

但是科学家现在发现，这种现存最大陆生动物身材不同，性格也不同。

互联网摘选

Formerly, in prehistoric days, land animals were built on a gigantic scale.

从前，跟地质学纪年同时代的陆上动物，四足兽，四手兽，爬虫类，鸟类，都是按照巨大的模型创造的。

互联网摘选

and the largest land animals in North America.

是北美洲最大的陆生动物

互联网摘选