考古学家发现了一幅描绘原始女性在洞穴中生活的壁画。

Archaeologists found a painting showing ___cave women living in caves.

我妹妹说我是个穴居女，因为我连怎么开电视都不知道。

My sister called me a ___cavewoman because I didn't even know how to turn on the TV.