There are two key fossils called Proganochelys quenstedti and Palaeochersis talampayensis dating from early dinosaur times, which appear to be close to the ancestry of all modem turtles and tortoises.
原颚龟化石(Proganochelys quenstedti) 和古老陆地龟化石(Palaeochersis talampayensis) 这两种重要化石最早可以追溯到恐龙时代,它们与所有现代海龟和乌龟的祖先最为接近。
If tide, wind and wave power are all developed, Britain would be able to close gas, coal and nuclear power plants and export renewable power to other parts of Europe.
如果潮汐能、风能和波浪能都得到发展,英国就可以关闭天然气、煤炭和核能发电厂,并向欧洲其他地区出口可再生能源。
In the forest, for example, there can be a number of very different microclimates close to each other, because of all the variables I just mentioned.
比如,森林里就有大量的相邻小气候区,其环境截然不同,这是因为刚刚我所提到的各种不同的可变因素。
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