At first, this was merely for function: to keep out the cold weather of the world only beginning to emerge from the great ice age.

一开始，这么做仅仅只是为了驱走天气的寒冷，那时世界刚刚进入大冰期时代。

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The end result: windows that keep heat out in summer and heat in during the cold months, and radiators that pump heat to the building's interior without bleeding so much of it into the outside air.

那么这样的结果是：在夏天窗户可以把热量档在外面，而在寒冷的月份则把热量保留在里面。 散热器可以把热量注入大厦内部而不需要那么多外部空气。

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To help keep out the cold, the space between the inner and outer wooden walls of the hut were stuffed with an insulating layer made of shredded seaweed sewn into quilting.

为了御寒，内部和外部的木墙之间都填充了一层绝缘材料，它们是由人们缝在被子里的碎海草做成。

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Aerogels can keep out both heat and cold.

FORBES: Magazine Article

Many superlative vintages come from Colchagua Valley, where the high mountains trap the warm air in and keep cold Pacific air out.

BBC: Living in: wine regions

You enter the bar itself through an airlock of sorts, sets of door to keep the heat out, or cold in, depending how you look at it.

FORBES: The Two Coolest Bars in Las Vegas - And Soon, New York