..and they are changing faster than ever before in human history. 而且正以人类历史上前所未有的速度变化
..where 40% of the world's human population have made their homes. 而世界上40%的人口都居住在沿海处
The human butchers put out the bones they don't need 屠夫们会把不要的骨头扔出来
is the key to beating human beings on their home turf. 才能在人类的地盘占上风
through the urban jungle, just as human commuters do. 走同样的路线 穿越城市丛林
Four billion human beings now live in the urban environment. 四十亿人口现在居住在城市环境中
The venom of this species is potent enough to kill a human. 这种蝎子的毒液足以毒死一个人
human encroachment is changing even the highest summits. 人类的侵犯甚至影响到顶峰的环境状况
uncovered human skin will burn in four minutes. 裸露的人类肌肤四分钟内就会被晒伤
However, human beings are seldom the first to reach these black, damp places. 但是 人类绝非 这个阴暗潮湿地界的第一位到访者