landlocked
/ˈlændlɒkt/adjective
1- (especially of a state) almost or entirely surrounded by land; having no coastline or seaport（尤指国家）无海岸线或海港的, 陆围的; 内陆的：
a midget state landlocked in the mountains.
群山环抱的内陆小国。
1.1
- (of a lake) enclosed by land and having no navigable route to the sea（湖泊）被陆地包围的。
1.2
- (of a fish, especially a North American salmon) cut off from the sea in the past and now confined to fresh water（鱼, 尤指北美鲑鱼）内陆水域的。