Fish muscle is very different than that in land animals.

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。

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。

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。

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。

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；

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。

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。

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。

and the largest land animals in North America.

是北美洲最大的陆生动物

This includes 30,000 species of land animals-including humans-and a similar number of ray-finned fish, the scientists found.

科学家们发现这些动物包括3万种陆地动物，和一小部分鳍刺类鱼。

Over many years, cheetahs have evolved into becoming the earth's fastest land animals through a series of adaptations.

经过数万年时间的积累，猎豹不断适应环境，逐渐成为地球上运动最快的陆地动物。

In the early going, scientists placed a mirror on the ground outside the elephant's cage, but the mirror was ( unsurprisingly) much smaller than the largest of land animals.

在早期的实验中，科研人员在象笼外的地面上放了一面镜子，但是这面镜子（毫不意外地）比这个陆地上的最大动物要小得多。

Humans can recognize emotions across all vocalizing land animals, researchers have found.

研究人员近日发现，人类可以识别所有可发声陆地动物的情感。

The aggregate motion of a flock of birds, a herd of land animals, or a school of fish is a beautiful and familiar part of the natural world.

鸟群、鱼群和人群等集群运动是自然界最美丽也最常见的景象之一。

Based on bone sizes, researchers estimated that this individual weighed 70 tons-as much as 10 African elephants, the heaviest land animals today.

根据骨头的大小，研究人员估计这只恐龙重70吨，相当于10头非洲象的重量。非洲象是现今最重的陆地动物。

Instead he imagined Tom doing that and hot, angry tears filled his eyes.

而他却想象着汤姆那样做的情景。顿时，愤怒的泪水充满了他的眼睛。

Instead of getting angry, open your eyes!

别生气了，睁开双眼吧！

He was so angry his eyes flashed red and he chased Old John into the shop.

他气得两眼发红，把老约翰追进了铺子。

I looked at my mother ， at her dirty hair and her ugly face ， at her angry eyes. I hated her then ， and I hated her for many years.

我看着妈妈，看着她那肮脏的头发、丑陋的面容和愤怒的双眼。在那一刻，我真恨她，许多年来我一直恨她。

I returned his angry stare until his eyes dropped.

我还报他愤怒的盯视直到他垂下眼睛。