The Department of Agriculture's “drought monitor” says that 32% of the region is in “exceptional drought,” the most severe designation and one expected on this scale only once or twice a century.

"监测旱灾"的农业部称， 该区的32 ％正处在"异常干旱",最严重的受灾区和预计像这种规模的旱灾在一个世纪中也仅有一两次。

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Temperatures have been rising over the last century and a significant reduction of the permafrost is expected in the coming decades, threatening this unique natural habitat.

在上个世纪，气温一直持续上升，永久冻土在未来的10年里预计会大量减少，这一切都威胁着唯一的自然栖息地。

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This futuristic plane would be expected to achieve supersonic speeds, possibly surpassing the speeds of the supersonic transport planes that ran commercially in the late twentieth century.

这架未来的飞机预期会达到超音速，也许会超越20世纪后期商业运营的超音速飞机。

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In the second half of this century, who would have expected still to hear a-going, a-laking (playing) or a-springing?

ECONOMIST: Johnson: The words we have lost | The