n.

1. 君权，统治权[U]
2. 主权[U][（+over）]
   It's neighboring country demanded sovereignty over the island.

   它的邻国要求对该岛拥有主权。

3. 主权国家；拥有独立主权的地区[C]

n.

1. supreme power or authority.
   ▸the authority of a state to govern itself or another state.
2. a self-governing state.