单词：ptysma
[医] 涎, 唾涎
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请把企鹅看成海洋的哨兵， Dee Boersma说，它们处于海洋变迁的前沿。通过分享企鹅的生活和文化，她建议我们聆听企鹅带给我们的启示。
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By Phil Mercer Sydney 23 October 2007 Australian researchers are teaming up with zoos and wildlife parks around the world in a bid to save the Tasmanian devil. It is the largest carnivorous marsupial and is being devastated by a mysterious facial tum
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