1. The interior of cave was dark.
    这洞的内部很黑。

2. There would be windows, of course, but they might be fairly expensive; besides, most people wouldn´t feel the need for them provided there were suitable interior decorations.
    当然窗子还是有的，但可能相当贵。何况，假如有合适的内部装饰，大部分人就会觉得不需要窗子。

3. On the exterior, he was cool, calm and collected but on the interior, stress was killing him.
    表面上，他显得沉着、冷静和泰然自若，但他内心深处的压力使他筋疲力尽。

4. It comes with a special velour interior,cruise control and a variety of other features.
    它的个特别的天鹅绒内面,省油速度控制器和其它种种特色.

5. It was from the study of these that so much was learnt about the interior of the earth.
    正是从这两种波中的研究中，我们可以了解到地球内部的许多情况。

6. India's population recently hit 1 billion, but its interior framework in water, transportation and health care is fast falling apart;
    印度的人口最近已达到10亿，但是国内的供水、交通和保健体系却正在迅速地分崩离析；