横向
1
Territory controlled by another country
3
Fortified medieval residence
5
Sudden overthrow of a government
7
Advanced stage of human society
12
Armed conflict between nations
13
Military blockade of a fortified place
纵向
2
Person with no fixed home
4
Metal that replaced bronze in tools
5
Ancient empire that conquered much of Europe
6
Person who travels to discover new lands
8
Alloy of copper and tin used in early tools
9
Male monarch ruler
10
Roman arena fighter
11
Deadly epidemic disease