单词：ruderal species
单词：ruderal species 相关文章
Exhibit Highlights Butterfly's Beauty, Diversity, Value to Ecosystem Flying Canvases They are gentle, colorful creatures that move with grace and flair. And in a warm and humid enclosure at the Smithsonians National Museum of Natural History in Washi
VOA标准英语2013年(三月)
Five species of shark have been put on a wildlife protection list. The move has been made at the final meeting of the Convention on International Trade in Endangered Species in Bangkok, Thailand. The decision restricts cross-border trade in the ocean
英闻天下
By Lisa Schlein Geneva 12 September 2007 A new report says the number of species threatened with extinction is escalating. The World Conservation Union, which has just released its Red List of Threatened Species, warns life on Earth will continue to
2007年VOA标准英语（九月）
Final Vote Nears on Conserving Sharks Shark fin soup is a delicacy in Asia. But its popularity is helping to decimate shark populations. However, governments voted Monday (today) to protect five species of the predators. Preliminary approval came at
VOA标准英语2013年(三月)
ROBERT SIEGEL, HOST: Our poetry reviewer Tess Taylor observes that every few years, it seems, poetry is declared dead. And in response, books are published about how to bring poetry back to life or how to better appreciate it. Well, Tess read this ye
2017年NPR美国国家公共电台12月
JINAN, May 14 (Xinhua) -- Chinese scientists said Saturday that they have found a new species of giant theropod dinosaur in the eastern province of Shandong. The new species, described as a close relative of Tyrannosaurus rex (T. rex), has been named
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