The road is mostly covered with snow. Let's not drive today.

道路大部分被雪覆盖。我们今天不要开车了。

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During glacial ages that exist about 90% of the time, our Northern Hemisphere is mostly covered with ice up to several miles thick.

这一周期约90%的时间为冰川时代，在那期间，我们北半球大部分覆盖着厚达数英里的冰层。

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Magellan mapped more than 98 percent of the surface of Venus, and revealed the planet to be mostly covered by volcanic materials, dotted with a few impact craters.

用于探测金星的麦哲伦号绘制完成了金星表面98%的地形图，它传回的数据表明金星的大部分地区都被火山物质所覆盖，其间点缀着一些陨石坑。

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During glacial ages that exist about 90% of the time, our Northern Hemisphere is mostly covered with ice up to several miles thick.

FORBES: Magazine Article

With drug costs now (mostly) covered by Medicare, dental care is the largest out-of-pocket medical expense for many a retiree.

FORBES: Magazine Article

More than 90 birds covered in the substance, mostly guillemots, washed up between Mevagissey in Cornwall to Kingsbridge in Devon.

BBC: Dead bird on beach between Downderry and Seaton