原始人的用法和样例：
例句
-
原始人用尖石块和动物的骨制造工具。
Primitive man made tools from sharp stones and animal bones. -
打火石原始人作为工具用的一块打火石
A piece of flint used as a tool by primitive human beings. -
原始人，未开化的人被其他民族或群体视为拥有原始文化的人
A member of a people considered by those of another nation or group to have a primitive civilization. -
原始人用尖石块和兽骨为自己制作原始的工具。
Primitive man made himself primitive tools from sharp stones and animal bones.
