当然，有些动物物种需要大面积的栖息地，有些则需要长途迁徙。
There are, of course, animal species that require large areas of habitat, and some migrate over very long distances.
这个真相是，由于独特的国土面积，以色列需要独特的安全协定。
The truth is that Israel needs unique security arrangements because of its unique size.
我需要算出这一块红色部分的面积。
I want the area of a piece that sits above this red segment.
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