作业帮英语翻译the coal that we use tody began as trees and swamps abou
来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/07/19 20:15:56
英语翻译
the coal that we use tody began as trees and swamps about two hundred and fifty million years ago.at that time our country was covered by swamps and thick forests.every year the leaves fell from the trees and some the trees died.these rotted down and more trees grew in rhe hot steamy forests.
as the surface of the earth setted and changed shape,some of these forests became covered with water.the water brought mud and sand which covered the dead trees and leaves.
the coal that we use tody began as trees and swamps about two hundred and fifty million years ago.at that time our country was covered by swamps and thick forests.every year the leaves fell from the trees and some the trees died.these rotted down and more trees grew in rhe hot steamy forests.
as the surface of the earth setted and changed shape,some of these forests became covered with water.the water brought mud and sand which covered the dead trees and leaves.
我们如今用到的煤最初形成于2.5亿年前的树木跟沼气,那个时候,我们的国家被沼气与浓雾覆盖着.每一年都有很多树叶掉落然后枯死.这些叶子腐烂到地下然后新的树木又在热带雨林里面生长.随着地表的组合成型.一些树木开始被水淹没,水带来的泥沙也淹没了大量的枯树跟树叶.
the use of coal and
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