With the advent of the five-year-plans, millions of women also began to toil in factories and in heavy construction, building dams, roads and steel mills in summer heat and winter frost.

随着“五年计划”的到来，数以百万计的妇女也开始在工厂和大型建筑工地、大坝、道路和钢铁厂中苦干，经受着夏天的酷热和冬天的严寒。

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In order that the crops in open field could survive safely the winter frost prevention operation is of Paramount importance.

为了使这些大田作物能够安全越冬，防霜作业具有极端重要意义。

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Heart in Fanghua, even if this meant living in the north wind whistled, trees are dying of winter frost cold winter, the heart is also filled with lively, vibrant, yielding in March;

心驻芳华，纵是身处北风呼啸、万木凋零的数九寒冬，心中洋溢的也是生机盎然、朝气蓬勃的阳春三月；

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They number some 200 families and growing, huddled around plastic tents that work as temporary shelter during summer but will do little to protect them from the frost of winter.

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Weather conditions similar to 2012 occurred in the winter of 1942, when the U.S. Midwest was unusually warm, and when the Wehrmacht encountered the formidable forces of "General Frost" in a Russian winter not unlike the one Russians just had.

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Dark sand shown in one photo pokes through bright, crisp frost structures that formed in the previous winter.

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