The rock goes into the sea and the waves caress itThe rock goes into the sea and the waves caress it
An empty bench against the background of a sea sunsetAn empty bench against the background of a sea sunset
People relax on the beach under palm trees by the seaPeople relax on the beach under palm trees by the sea
Часть океана — большое водное пространство с горько-солёной водой. Большое количество чего-н. ( высок. ). Повальная смерть, эпидемия.