英语翻译就要第2段和第3段可以加很多分

问题描述:

英语翻译
就要第2段和第3段
可以加很多分

For several billion years after the “Big Bang”,the earth was still just a cloud of dust.What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a s...