1. Covering much of the earth´s surface is a blanket of water.
    地球表面主要被水覆盖着。

2. It ran cold over their feet. They had blanket packs on their backs; guns, but no bullets; matches, but no food.
    河水冻得他们的脚腕生疼。他们背上背着毯子背包。他们有枪，膛中却没有子弹; 有火柴，却没有干粮。