单词：ST_mammals_marine-mammals
单词：ST_mammals_marine-mammals 相关文章
Conservation Week starts tomorrow. During that week, DOC the Department of Conservation would like New Zealanders to celebrate our special places and our native wildlife. What are our special places? Our National Parks are some of our special places.
新西兰英语
It really is rocket scienceresearchers are using huge x-ray scanners from NASA to understand how sonar might be affecting the hearing of large ocean mammals. These scanners are usually used to inspect the space shuttles solid fuel rockets. Navy sonar
Scientific American(十一)月
It was eight o'clock in the morning. We had four hours to ourselves before the sun could be productively observed. 时间是早晨八点。太阳可以供我们观察利用的时间只剩下四小时了。 I guided our steps toward a huge bay that ma
《海底两万里》中英双语有声读物
Animals at Risk from Increased Arctic Shipping The polar bear may be the animal most often identified with climate change, but it is far from the only creature at risk from rising temperatures. The northernmost part of Earth is warming two to three t
2018年VOA慢速英语(七)月
NASA Scanner Offers Clues To Whale Hearing Researchers at UC San Diego and San Diego State University have imaged whale skulls in an attempt to determine the effects of sonar on whale hearing. Cynthia Graber reports It really is rocket scienceresearc
60秒科学
Marine Mammals Since there is such an abundance of food in the sea,it is understandable that some of the efficient, highly adaptable, warm-blooded mammals that evolved on land should have returned to the sea.Those that did have flourished. Within abo
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