单词：moss lichen tundra
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背诵为王第三册
[00:04.60]Saving the Rainforests for Future Generations [00:07.77]为子孙后代救救热带雨林 [00:10.95]Rainforests are being cut and burned from Brazil to Indonesia [00:14.93]从巴西到印度尼西亚，热带雨林正在以极快的速度被砍伐和烧毁， [00:18.91]at such a
大学英语自学教程上
Tundra is the name given to the low, marshy plains of Europe, Siberia, and North America that border on the Arctic Ocean. In Alaska, the vast, cold region known as the Northern Slope is part of the tundra. Nature sets harsh terms for survival in this
双语有声阅读
ARI SHAPIRO, HOST: Richard Powers likes to explore big ideas in his novels. He has written about artificial intelligence, game theory, genetics, music and a lot of other things. In his latest book, The Overstory, Powers takes on trees and the lives o
2018年NPR美国国家公共电台4月
And this is a kind of pretty nasty area where Ive got a boiling pool on both sides. Temperatures here are about forty degrees Fahrenheit. So it is warm enough for edible grasses, moss and lichen. Since Viking times, sheep have roamed free, grazing he
探索与发现2012年
Artist：Tamas Wells Song：Lichen and Bees Lichen, the bees and a fortress of weeds in a small town venture Only the stale and a quart of an ale and a cold intention Over the lawn and the rail And only to gather the mail He likened to me but I wonder
音乐咖啡厅