横向
1
Advanced stage of human society
6
Ancient Egyptian stone monument
7
Medieval land-for-service system
8
Ancient empire that conquered much of Europe
10
Metal that replaced bronze in tools
11
Relating to the Middle Ages
纵向
1
Period of one hundred years
2
Alloy of copper and tin used in early tools
3
Person who buys and sells goods
4
Person with no fixed home
5
Belonging to a very old period
9
Government elected by the people