恐龙英语作文

地球的历史已经有45亿年了。在距今约束38亿年前出现了最早的生物。从那时起，地球上的很多生物经历了兴起、衰落直至灭亡的历程，只有化石留存至今。现在世界各地都能找到各个时期不同种类的化石，这些化石告诉了我们地球沧海桑田的变迁历史。 距今两亿多年前，地球上曾经生活着一群生物——恐龙。它们盛极一时，称霸地球达成1.5亿年之久。 在人类出现以前，恐龙就已经灭绝了，没有人见到过活的恐龙。今天我们所知道的有关恐龙的一切是从恐龙的化石得来的。由于人们找到了它们的骨、齿、卵的化石，和皮肤痕迹、脚印、穴居场所等，科学家们就根据这些线索去探索有关恐龙的秘密。The Earth's history has been 45 billion years. Constraints in the 38 million years ago before the emergence of the earliest organisms. Since then, much of the planet has experienced the rise of biotechnology, the course of the decline until extinction, only the fossils so far retained. Now the world can be found in various periods of different types of fossils, these fossils tell the history of our planet earth-shaking changes. Dating back more than 200 million years ago, life on Earth has a group of organisms - the dinosaurs. They are very popular and dominate the Earth to reach 1.5 million years old. In humans before the advent of dinosaurs had become extinct, and no one to see live dinosaurs. Today, we know everything about dinosaurs from the dinosaur fossils come. As people found their bones, teeth, egg fossils, and skin marks, footprints, and other cave sites, the scientists on the basis of these clues to discover the secrets of the dinosaurs.

恐龙是生活在距今大约2亿3500万年至6500万年前的、能以后肢支撑身体直立行走的的一类动物，支配全球陆地生态系统超过1亿6千万年之久。大部分恐龙已经灭绝，但是恐龙的后代——鸟类存活下来，并繁衍至今。恐龙”一词在字典中意思：一类生活在几亿年以前的古动物，现已灭绝.Dinosaurs lived about 200 million in 3500 million years ago to 6500 million years ago, can support the body upright limb of a class of animals, the control of global terrestrial ecosystems over 100 million 6 million years. Most dinosaurs have become extinct, but the descendants of dinosaurs - birds, survive and reproduce so far. Dinosaur "in the dictionary has two meanings: one living in hundreds of millions of years ago the ancient animal, now extinct.

范文：

Dinosaurs are very large creatures which appeared on the earth millions of years ago.They became extinct many years later because of a change in climate and they could no longer find any food to eat.

Todaypeople know that dinosaurs had once existed because scientists discovered the remains of their bones when they dug underneath the ground.We can see the skeletons of these dinosaurs now in the museums.

翻译：恐龙是数百万年前出现在地球上的大型生物。多年后，由于气候变化，它们灭绝了，再也找不到食物吃了。今天，人们知道恐龙曾经存在过，因为科学家在地下挖掘时发现了恐龙骨骼的残骸。我们可以现在在博物馆里可以看到这些恐龙的骨骼。

这个网站上还有图片,很不错

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