数亿年的英文

has been life onHundreds of millions of

1/billion years later2/after billion years

thousandmillionbilliontrillionquadrillionquintillionsextillionseptillionoctillionnonilliondecillionundecillionduodecilliontredecillionquatuordecillionquindecillionsexdecillionseptdecillion octodecillionnovemdecillionvigintillionunvigintillionduovigintilliontrevigintillionquattuorvigintillionquinvigintillionsexvigintillionseprvigintillionoctovigintillionnovemvigintilliontrigintillionuntrigintillionduotrigintilliongoogolgoogolplex

One billion years have passed.

quadrillionquintillion sextillion septillion octillion nonillion decillion undecillion duodecilliontredecillion quattuordecillion quindecillion exdecillion septendecillion octodecillion novemdecillion vigintillion centillion

第一个单词是are

Hundred million 或者0.1 billion 注: millions 百万 , billion 十亿