Yet once upon a time, it was like earth covered with flowing rivers and lakes.

过去它曾经像地球一样，覆盖着河流及湖泊。

They're the only mammals on earth covered in scales, which accounts for about 20% of their body weight.

它们是地球上唯一体覆鳞甲的哺乳动物，其鳞甲约占体重两成。

They're the only mammals on earth covered in scales, which accounts for about 20 percent of their body weight.

它们是地球上唯一覆盖着鳞片的哺乳动物，鳞片占了他们体重的20%。

In a total lunar eclipse, the Earth covers the moon's surface with its shadow, giving it a red-like color.

在月全食过程中，地球的阴影遮住了月亮表面，导致其呈现红色。

Once they had scrabbled away at all the dust and earth covering it, they found it was a door.

一旦他们把覆盖在上面的灰尘和泥土都翻了个底朝天，他们发现那是一扇门。

The continents and islands of Earth cover almost thirty percent of the globe, and most of that fraction is empty wilderness.

地球的大陆和岛屿覆盖了地球近百分之三十的面积，其中大部分是荒无人烟的荒野。

It is the song of gratitude of the earth in spring. Earth covers herself with flowers; all is well, all is beautiful.

这是大地在春天的感恩之歌。大地开满鲜花；一切都很好，一切都很美好。

The car had been placed in a big hole under the earth, covered in old rugs to protect it from the soil and then buried.

汽车被埋在地底下的一个大洞里，上面盖着旧地毯以保护它不受泥土影响，然后被掩埋了。

A few weeks after the battle, the governor of Pennsylvania visited Gettysburg. As he walked over the battlefield, he saw where rains had washed away the earth covering many of the fallen soldiers.

战斗结束数周后，宾夕法尼亚州州长前往葛底斯堡。当他走过战场时，看到雨水冲走了掩埋着众多阵亡士兵的泥土。