Meanwhile, the outdoor sports in particular, to prevent chilling by cold air cold, attention to the sun, apply sunscreen before exercise is best.

同时，户外运动尤其要防止冷空气感冒，注意防晒寒心，运动前涂上防晒霜是最好的。

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Influenced by cold air arriving at Jinan recently, the relatively high temperature of the spring produced beautiful scene of steamy vapours as the steam rose against cold air.

近日，受冷 空气影响济南气温骤降，泉水温度大大高于气温，蒸发的水汽上升遇冷形成“云雾”，再现“云雾润蒸”景观。

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Influenced by cold air, northerly gusts are to sweep most parts of northern China for the days ahead, with temperatures dropping in some places, weather forecast warned Wednesday.

周三的天气预报说，受冷空气影响，几天前北风阵阵，席卷中国北部，某些地区气温骤降。

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The Hailstorm II pairs an advanced liquid cooling system with a blustery current of cold air driven by three front intake fans and a large rear exhaust fan.

ENGADGET: Digital Storm's Hailstorm II relieves you of gaming PC claustrophobia, $2,760 cash

The forecasters added that the colder than average conditions had been caused by frequent easterly and northerly winds, bringing cold air to the UK from polar and northern European regions.

BBC: Spring will be coldest in 50 years, Met Office says

The initial "push" upward by the cold front on that balloon filled with surface air is like a child letting a helium-filled balloon go -- it just keeps rising.

CNN: The making of a nightmare tornado