The elephant population in that area is falling.
那个地区的大象总数在下降。
The elephant population in the area is increasing.
这个地区象群的数量正在增加。
Each year park rangers count the elephant population.
公园的管理员们逐年统计象的总数。
Also speculate about the current age structure of the elephant population.
并且推测这个大象群落的当前年龄结构。
Also speculate about the current age structure of the elephant population.
并且推测这个大象群落的当前年龄结构。
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