A girl with a surf on the beach against the background of sea wavesA girl with a surf on the beach against the background of sea waves
The roots of the tree are trying to stay in the groundThe roots of the tree are trying to stay in the ground
A squadron of ships sails through a shallow straitA squadron of ships sails through a shallow strait
Lighthouse on the edge of an island surrounded by the seaLighthouse on the edge of an island surrounded by the sea
Часть океана — большое водное пространство с горько-солёной водой. Большое количество чего-н. ( высок. ).