This was undoubtedly due to the northward movement of the Australian region from high southern to a mid latitude position.
毫无疑问，这是澳大利亚由高南纬区向北部中纬区运移的结果。
Writing in the journal Science, Lewis and his scientific team say the droughts are probably caused by the northward movement of especially warm water in the Atlantic Ocean.
刘易斯和他的科学队伍在《科学》杂志发表的文章中写道，这几场干旱很有可能是由大西洋的北上暖流引起的。
These experts are especially concerned that new patterns of air movement in the Arctic could disrupt the Northern Hemisphere's jet streams - which are apparently weakening and moving northward.
这些专家尤其关注北极的空气流动的新模式可能会扰乱北半球的急流——很明显的是，这种气流正在削弱并向北方移动。
The researchers compared the resulting population migration to the mass movement of African Americans northward at the end of the Civil War.
研究者们比较随之而来的人口迁移与内战结束后非裔美国人向北大规模移动。
The researchers compared the resulting population migration to the mass movement of African Americans northward at the end of the Civil War.
研究者们比较随之而来的人口迁移与内战结束后非裔美国人向北大规模移动。
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