The scientists also want to get a better idea of how the local forest responded as the planet cooled around five million years ago, changing from "greenhouse" to "icehouse" conditions.

科学家们也想弄明白，在500万年前，地球气候变冷，由“温室”变成“冰室”的时候，当地的森林出现了怎样的反应。

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The current trend of global warming is pushing Earth back from its ice Age "icehouse" conditions-with large ice sheets and many glaciers-to a "greenhouse" with little ice overall, Barker noted.

当前全球变暖的趋势又促使地球由“冰室”——有许多大冰原和冰川，转变为“温室”——冰量总体上减少。巴克尔说。

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Its massive oaken door stood unbarred. Within was a small chamber, chilly as an icehouse, and walled by Nature with solid limestone that was dewy with a cold sweat.

巨大的橡木门没上门闩，里边有个小室，寒气逼人，四周是天然的石灰岩墙壁，上面水珠晶莹透亮。

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Jere Thompson Jr. had the experience of watching his father and uncle drive the family's 7-Eleven empire -- a worldwide convenience-store chain that his grandfather started with a single Dallas icehouse in 1927 -- into Chapter 11 bankruptcy in 1990.

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