夜间，在伯利恒的野外，牧羊人正在看守着羊群。
During the night in the outside Bethlehem shepherd was guarding their sheep.
夜间他们用受过特殊训练的狗看守羊群。
They use specially trained dogs to watch over their sheep at night.
按工程需要提供和维修非夜间施工使用的照明、看守、围栏和警卫等。
Work on the project need for supply and maintenance of lighting used in the daytime, keeper, fence and guards, etc.
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