1.In terms of textual research of some experts , it is a kind of old custom which the cave dweller leaves at the Stone Age to shake hands.
据某些专家的考证,握手是石器时代穴居人留下的一种遗俗。
2.primarily a cave dweller in the Mount Shasta area.
主要为穴居的沙斯塔山地区的蝾螈。