淡水的英文句子

Most of the water on the earth is sea water, there is too much salt in sea water, cannot drink; Only a small part of the water is fresh water.这个有点简单，上学的时候就有了。

Most part of the earth is sea water. Sea water is too salty to drink directly. There is only a small portion of fresh water.

Most of the water on the earth is sea water, there is too much salt in sea water, cannot drink; Only a small part of the water is fresh water.