双语例句原声例句
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那是1840年。
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The first authoritative study of polio was published in 1840.
关于小儿麻痹症的首篇权威研究报告发表于1840年。
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In 1840, photography was developed once more.
1840年，摄影技术再次得到了发展。
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The election of 1840 put a new president in the White House: William Henry Harrison.
VOA: special.2009.02.05
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And he did. But the important thing is that they had to have a translator for him in the 1840s.
他也是这样讲的,关键是,在1840年代还得给他找个翻译
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Well, this is ridiculous because people were making cannons long before 1840.
当然了，这个故事毫无道理,因为人们制作加农炮还是1840年以前的事情了。
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