论文部分内容阅读
我是一只快乐的小蟑螂,和家人一起生活在地球上一户人家的墙壁夹缝里。远在恐龙出现之前,我们的祖先就已经是地球上
I am a happy little cockroach, living with my family in the cracks in the walls of a home on Earth. Far before dinosaurs appeared, our ancestors were already on Earth