以下为句子列表：
英文: According to a new study, ancestral forms of laughter existed in other animals long before humans began cracking up.
中文: 一项最新的研究表明,早在人类会笑之前,其他一些动物就已经拥有原始形态的笑声了.
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英文: Acute hearing helps most animals sense the approach of thunderstorms long before people do.
中文: 灵敏的听觉使大多数动物比人们更早地知道雷雨的到来。
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英文: After all, although Bigfoot proponents do not dispute the Wallace hoax, they correctly note that tales of the giant Yeti living in the Himalayas and Native American lore about Sasquatch wandering around the Pacific Northwest emerged long before Wallace pu
中文: 大脚支持者虽然没有为华莱士的恶作剧多加辩护，但他们还是正确地指出，比华莱士1958年的恶作剧更早之前，就有喜马拉雅山的巨大雪人，以及美洲原住民传统所谓的「大脚印」，在太平洋岸西北一带出没的传说。
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英文: Anthropologists believe that laughter dates back millions of years -- we were laughing long before we were verbally communicating.
中文: 人类学家们认为：笑声可以追溯到数百万年以前，在我们口头交流之前，已经会放声大笑。
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英文: As all the living forms of life are the lineal descendants of those which lived long before the Cambrian epoch, we may feel certain that the ordinary succession by generation has never once been broken, and that no cataclysm has desolated the whole world.
中文: 由于现存的各式生物都是远在志留纪前就已存在的生物的直系后代，我们可以肯定代代相接的通常延续过程从未中断过，也从未有过大灾变使整个世界遭受破坏。
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