The new study focused on surface melt, runoff and the number of days when bare ice, free of snow, is exposed to the Sun's radiative force.

这项新研究的重点是表面融化，径流以及暴露于太阳辐射下的裸冰和无雪天数。

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The stone floor felt like ice to her bare feet.

她光着脚感到石头地板冰凉刺骨。

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On a continent of ice these places are bare.

在被冰覆盖的大陆上，这些地方是寸草不生的。

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On aptly named Winter Street in a suburb of Boston, ice clings to bare trees and muddy snow mars the ground.

FORBES: Cool Heads

Also show are agricultural land use and land surfaces with little or no plant cover - such as bare ground, urban areas and permanent snow and ice.

BBC: How Earth's land is used