旧石器时代和新石器时代之间的间隔曾经被认为是个一个真正的间隔，现在被中时期时代所填补。
The gap between the Old Stone Age and the New Stone Age once supposed to be a real hiatus, is being filled by a Middle Stone Age.
旧石器时代和新石器时代之间的间隔曾经被认为是个一个真正的间隔，现在被中时期时代所填补。
The gap between the Old Stone Age and the New Stone Age once supposed to be a real hiatus, is being filled by a Middle Stone Age.
应用推荐