The older one can't ignore the threat. 年长的骇鸟不能无视威胁
until eventually, one will be so different to its predecessors 直到最终与其祖先截然不同
Every one of these butterfly eggs looks identical. 这些蝴蝶卵 每一颗看起来都一模一样
The same amount of energy as that consumed by all humanity in one year. 相当于人类一年消耗能源的总和
In one hour, the sun gives the earth... 太阳在一小时内提供给地球的能源
Not more than one tree every hectare. 每公顷最多只能砍一棵树
Its forests are one of the country's most important economic resources, 加蓬的森林是其最重要的经济来源