单词：superpredator
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Small carnivoreslike foxes or raccoons or badgersare themselves prey for larger predatorslike wolves. So they spend time hiding instead of hunting. This influence that big predators have on their ecosystem is called a landscape of fear. But humans ar
2016年Scientific American(八)月
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Breaking a mirror means seven years bad luck. So does spilling salt or meeting a black cat. Weve all heard such silly-sounding superstitions. Of course w
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Owl City - Super Honeymoon Glamour and fashion Models and magazines... a striking runway entrance Beauty and passion Stardust and high class scenes of popular teens When I lived in Denver, I met a millionaire With ribbons in her blonde hair I still r
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Asian Carp now outnumber native fish in many areas of the United States and their expansion particularly threatens the fragile ecosystems of the Great Lakes. In an effort to control algae growth, catfish farmers in the southern United States introduc
VOA标准英语2010年(七)月
英伦经典，年少轻狂：Supergrass Supergrass，上世纪九十年代最成功的Britpop乐队之一。在美国，他们的大歌迷斯蒂文斯皮尔柏格甚至萌发了以Supergrass为蓝本拍摄电视剧的主意。在他们的音乐中，你
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Nader says 'Only the Super Rich Can Save Us' offers a roadmap to a practical utopia. Some of the richest Americans are using their wealth for the common good. Businessman and investor Warren Buffett, Microsoft's founder Bill Gates and financier Georg
VOA标准英语2010年(二月)