Those include the need to make room for a population that has doubled and a loss of low-lying areas along the San Francisco Bay due to rising sea levels.

这其中包括为沿旧金山湾的人们提供更多空间，由于海平面不断上升，这里的人口已增加一倍，低洼地区也在不断减少。

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Although its winters make it one of the coldest U.S. cities, the low temperatures keep ozone at bay.

尽管这样使它冬天成为美国最冷的城市，但是低温也预防臭氧的危害。

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Kimchi is very much a part of the Korean high fibre, low-fat diet that keeps obesity at bay.

泡菜是韩国高纤低脂膳食的一个重要组成部分，因为它可以防止肥胖症。

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Radiation particles found on the beach at Dalgety Bay pose a low risk to public health, scientists have said.

BBC: Dalgety Bay radiation: Particles pose 'low risk' to public

Skimming across low waves in San Diego Bay, the skipper, 33-year-old British Olympian Chris Draper, peered beneath the 70-foot-tall carbon-framed wing powering the boat.

FORBES: Ellison Bets On Pure Speed For Next America's Cup

Patrick Foye, the executive director of the Port Authority of New York and New Jersey, said workers were inspecting flood damage at La Guardia, including the possibility that a barge may have hit a dike protecting the low-lying runways from the bay.

WSJ: Buses Back, But Subways Could Take Days Longer