以下为句子列表：
英文: A few finless porpoises -- smaller, stouter mammals with blunt noses -- were moved into a reserve, along with one baiji. The porpoises survived, but the captive baiji died.
中文: 少数江豚–小而结实，嗅觉迟钝的哺乳类动物–和一只白暨豚一起被转移到一个自然保护区。江豚幸存下来，囿于此地的白暨却不幸死去。
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英文: According to New Scientist, Steve Perry and Jonathan Codd from the University of Bonn said sauropods, which reached 40 metres and weighed 100 tonnes (10 times as much as the largest elephants) sucked in air more efficiently than mammals today.
中文: 根据「新科学家杂志」，柏恩大学的史提夫裴利与强纳森考德表示，40公尺，100吨(最大型大象的10倍)的龙脚类恐龙，以比今日哺乳类更有效率的方式吸入空气。
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英文: And because ancestral mammals lived on land, it stood to reason that whales ultimately descended from a terrestrial ancestor.
中文: 哺乳类的祖先是陆栖动物，因此鲸豚是由陆栖祖先演化成的，自不待言。
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英文: BAT: Any of various nocturnal flying mammals of the order Chiroptera, having membranous wings that extend from the forelimbs to the hind limbs or tail and anatomical adaptations for echolocation, by which they navigate and hunt prey.
中文: 蝙蝠：一种翼手目的夜间飞行的哺乳动物，它们具有能从前肢伸到后肢或尾巴的膜状翅膀，其生理结构能够靠声波定位，并以此导航和捕食。
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英文: Bat In Western cultures, where bats have been associated with witches since the Middle Ages, these flying mammals are generally considered bad luck, or at least no fun to have around.
中文: 蝙蝠从中世纪起，西方文化就把蝙蝠与巫婆联系在一起，认为这种飞行的哺乳动物是不祥之物，至少让人们见了感到扫兴。
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