双语例句原声例句
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在20世纪80年代，电线和铅中毒几乎使它们濒临灭绝。
In the 1980s, electrical lines and lead poisoning nearly drove them to dying out.
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关于巨型动物的争论在很大程度上取决于确定古老骨骼和埋藏它们的沉积物年代的技术。
The debate about megafauna pivots to a great degree on the techniques for dating old bones and the sediments in which they are buried.
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和其他现代建筑师一样，他使用了金属、玻璃和层压板木材材料，今天我们对这些材料习以为常，但它们在20世纪40年代却象征着未来。
Like other modern architects, he employed metal, glass and laminated wood materials that we take for granted today but that in the 1940s symbolized the future.
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They were the same size in the 1850s, but Brive gets the railroad and not Tulle, the railroad from Paris.
它们在十九世纪五十年代还是一样大的,但是布瑞福修了铁路,而不是图勒,通往巴黎的铁路
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Richmond, Virginia, for example, became a huge slave-trading center by the 1840s and 1850s.
比如里士满和弗吉尼亚,在十九世纪四十年代和五十年代,它们成为了巨大的奴隶贸易中心
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Until the teens, telephones were very expensive because they didn't have good amplification technology.
在20年代之前,电话还是奢侈品,因为它们还没有增强讯号技术
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