已经存在了
双语例句原声例句
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这使人们确信天文周期已经存在了数十亿年。
It assures that the astronomical cycles have been in existence for billions of years.
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例如，当美国在1848年获得新墨西哥的主权时，大草原就已经存在了。
For example, the Rio Grande pueblos already existed when the United States acquired sovereignty over New Mexico in 1848.
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虽然我们不知道这其中有多少是真实的，但可以肯定的是，丝绸栽培在中国已经存在了几千年。
While it is unknown just how much of this is true, it is certainly known that silk cultivation has existed in China for several millennia.
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Behaviorism is a school of thought that was there long before Skinner, championed by psychologists like John Watson, for instance.
行为主义学派,远在斯金纳提出他的理论之前就已经存在，受到了众多心理学家的拥护,比如约翰·华生。
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What can I conclude, now I've concluded that the strategies 68 through 100 essentially don't exist or have been deleted.
目前为止我们能得到什么结论,68到100的选项不存在了,或者说已经被剔除了
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All right. We've been talking about arguments that might give us reason to believe in the existence of an immaterial soul.
我们已经讨论了,那些让我们相信,灵魂存在的论证
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