Dinosaurs lived on earth a long time ago,there are hundreds of different kinds of dinosaurs,the smallest dinosaurs about one metre long and weigh about 3 kg.Some dinosaurs ate plants other eat meat,but they don't eat grass.All the dinosaurs of the four legs,they live on land.The last dinosaur died 600000000 years ago,no one know the reason.
英语书面表达 恐龙很久以前生活在地球上,有几百种不同的恐龙,最小的恐龙大约一米长,重大约三千克.