你知道地球四分之三是被水覆盖的吗？
Do you know three quarters of the earth is covered with water?
从太空看，地球就像一个被水覆盖的球体。
Seen from the space, the earth looks like a huge water covered globe.
从太空上看，地球像一个被水覆盖的大球体。
Seen from space, the earth looks just like a big water-covered globe.
就象我们所看到的，地球是一个巨大的被水覆盖的球。
虽然地球的75%被水覆盖，但只有大约2%是来自河流、湖泊、冰雪的淡水。
While 75% of our planet is covered with water, only about 2% is fresh water that comes from rivers, lakes, ice and snow.
到家时。房子的内部被水覆盖了。
When we arrived home, the inside of our house was mixed with rainwater.
越来越多的动物脂漂浮起来，直到水被一层彩虹般的小珍珠粒所覆盖。
More and more tallow will rise until the water is skinned over with a rainbow mother-of-pearl layer.
一旦土地变成焦土，或者盐碱地，一旦沿海和地势低的地区长期被水覆盖，这些人群不可能回到家园。
If land is parched or salinated, if coastal and low-lying areas are permanently under water, these people cannot simply go home.
据科学家推测，土卫二冰冷的表面99%被水冰覆盖，地表之下存在液态水的几率也很大。
The surface of the icy moon is thought to be about 99 percent water ice, with a good chance of liquid water beneath.
在保护新奥尔良的堤坝损失了53个之后，这座历史名城的80%被水覆盖，地势低洼的城市被淹没。
About 80% of historic New Orleans was covered with water after the levees designed to protect it suffered 53 individual failures, and the low-lying city was inundated.
大约有71%的地球表面被水覆盖，大部分是海洋。
Roughly 71 percent of Earth's surface is covered by water, most of it in the oceans.
地球的表面被水覆盖，其中有97.5%是海水。
While the earth's surface is covered by water, 97.5 percent of it is salt water.
71%的地球表面被水覆盖，这还只是一个较小的数据，可能要比总的数据还要多9倍。
The 71% of the globe covered in water represents a lesser amount, perhaps by ten times, than the total figure.
正如我们所知，近75%的地球表面被水覆盖着，但是大约97%的数量庞大的海水或盐水。
As we know, nearly 75% of the Earth surface is covered with water, But about 97% of this huge amount is sea water or salt water.
今天的陆地曾有很大面积被水覆盖。
地球表面三分之二的面积被水覆盖。
大部份的地球表面被水覆盖着。
Most of the earth's certainxpression is covered by runing water.
这似乎有点奇怪，因为近70%的地球表面被水覆盖着。
This may seem strange to you, since nearly 70 percent of the earth's surface is covered with water.
地球的一多半被水覆盖。
地球的一多半被水覆盖。
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