More than the combined population of europe. 比欧洲的人口总数还要多
Is consumed by 20% of the world's population. 被世界人口的20%消耗
the earth's population has almost tripled, 人口数量几乎增长3倍
More than the combined population of all the wealthy nations. 这一数字超过了所有富裕国家的人口总和
90% of the population united against a common enemy. 百分之九十的动物联手对付共同的敌人
Uzma has been studying the last remaining population for over 20 years. 20年来 乌兹玛一直在研究印度河豚的种群数量
when 95% of the elephant population were killed for their ivory. 这里足有95%的大象因象牙而被猎杀
There's going to be a population crash 种群数量会崩溃
..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