..so humans have devised extraordinary means 因此人类设计了非凡的方法
But humans are not their usual prey. 但人类并不是他们日常的捕食对象
that few humans have even set foot on them. 以至于几乎没有人类踏足
and now humans are having to control them. 而现在人类不得不采取措施控制局面
Humans brought these ant invaders here, 是人类把这些蚂蚁入侵者带上了岛
These forests were growing here long before humans walked the Earth. 这片森林远在人类直立行走之前就出现了
Of those humans who've tried to climb it 在试图登顶珠峰的人中
an animal few humans have ever glimpsed 这种动物只有很少一部分人亲眼见过