Barely the size of a human thumbnail, 它仅有人类指甲般大小
Today, for every human on the planet, 今天地球上的昆虫
If scaled up to human proportions, 如果按照人类的比例放大
They lay down markers for a new human adventure... 它们为人类新的探索留下了
I have seen agriculture on a human scale. 我见过可以养活全人类的农业
They create spaces where human activity is in step... 它们创造了一个空间 那里人类的活动
Never has learning been given to so many human beings. 从来没有过这么多人可以接受教育
I know that a single human can knock down every wall. 我知道一个人就足以推到每面墙