there are more than a billion insects. 超过人类数量的10亿倍
and are no larger than a grain of rice. 而且只有一粒米那么大
the arthropod art of seduction has come a long way. 节肢动物的求爱艺术有了长足发展
...so can focus all his energy on finding a mate. 所以可以把全部精力放在觅偶上
At over two and a half meters long and a half meter wide, 长度超过2.5米 宽度超过半米
Reaching heights of more than a hundred meters, 高度超过100米
Key was the evolution of a new compound, 其关键是一种新化合物的进化