A river that does not flow into the ocean but instead drains into an inland lake or disappears in a desert; also known as [[内流河|內流河|nei4 liu2 he2]]

a country with no coastline and no direct access to the sea; surrounded entirely by the land of other nations

A sea surrounded by land that connects to an ocean only through a narrow strait

a lake located in the interior of a landmass that does not connect to the ocean; such lakes often have high salt or mineral content