geologically speaking短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 从地质学的角度来说 Life emerged on earth about 3.8 billion years ago, but sex did not evolve until more than2 billion years later. Dirty limericks emerged only quite recently, geologically speaking. 生命早在38亿年前出现在地球上.但是在此20亿年之后，才通过进化产生了性，照这么说，黄色打油诗的历史就更加短的不值一提了。 yeeyan