课件编号49142
创建日期2015-11-6
修订版本1
语言种类英语
一级分类Scientific American Podcast
二级分类60-Second Science
课件名称20151105-Arctic Marine Mammals Swim Up to the Microphone
简要描述 As Arctic sea ice melts, an underwater recording project reveals that the submerged ecology is undergoing change, with humpbacks and killer whales staying north later in the year.
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2015-11-6 创建