Over a period of about 100,000 years, while the seas pulled back, climates around the world became dramatically more extreme: warmer days, cooler nights; hotter summers, colder winters.

在大约10万年的时间里，当海水退去，世界各地的气候变得更加极端：白天更暖和，夜晚更凉爽；夏天更热，冬天更冷。

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It does seem quite an extreme measure but that's what you've got to do these days.

这似乎是颇为极端的措施，但这些日子，这就是你必须做的。

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The tone in the two days of meetings is said to have been more constructive and less extreme than the public rhetoric, with neither side drawing lines in the sand.

这场为期两天的会议的腔调据说要比公开说辞更具建设性，也没那么极端，双方都没有定下硬门槛。

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When temperatures are this extreme several days in a row, power companies scramble to manage peak demand, often urging consumers to turn off non-essential use of electricity.

WHITEHOUSE: Energy and Environment Latest News | The White House

But that's not easy given Washington's extreme partisanship these days.

NPR: McCain, Obama Scuffle over Lobbyist Reforms

The vessels can conduct long range security patrols at extreme speeds for several days.

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