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科学美国人60秒 SSS Road Noise Makes Birds' Lives Tougher

[Songbird and traffic noise] It's hard to be a bird in our human-dominated world. You can barely hear yourself sing, let along hear the songs of your friends and you can forget about hearing a predator. Noise is almost everywhere. Especially noise fr

发表于:2018-12-24 / 阅读(107) / 评论(0) 分类 2016年Scientific American(九)月

英语视频：Facebook团队介绍社交搜索工具Graph Search

Graph Search的理念在于，以谷歌搜索引擎发掘互联网信息的方式，发掘Facebook网站社交图谱的含义。Graph Search扩展了Facebook的核心使命：不仅帮助用户与已知的他人建立联系，还能成为一款发现工

发表于:2019-01-05 / 阅读(117) / 评论(0) 分类 英语新闻视频

VOA常速英语2014--Search for Missing Plane Expanding 失踪飞机的搜索正不断扩大

Search for Missing Plane Expanding 失踪飞机的搜索正不断扩大 WASHINGTON The Malaysian government is still leading the search for the missing flight MH370, but the U.S. governments role is increasing. The White House indicated the U.S. Navy

发表于:2019-01-14 / 阅读(80) / 评论(0) 分类 VOA标准英语2014年(三月)

英语听力文摘 English Digest 483、啄木鸟医生

Woodpecker s and Fungus 啄木鸟和真菌 W: Woodpecker s puncture the bark of dead or dying trees, also known as snags, to find the wood-boring insects that make up their diet, and some species also excavate cavities in these trees for their nests.

发表于:2019-01-26 / 阅读(74) / 评论(0) 分类 英语听力文摘 English Digest

英语听力文摘 English Digest 371、甲虫强过绿巨人？

Beetle: Stronger than Hulk? 甲虫强过绿巨人？ As we know from the movie, the Hulk is a guy who, when he gets angry, turns into the strongest, meanest creature on earth. The natural world features a few amazing ly strong creatures of its own. I

发表于:2019-02-16 / 阅读(75) / 评论(0) 分类 英语听力文摘 English Digest
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