A grassy edge in front of a sandy cliff and an endless gloomy seaA grassy edge in front of a sandy cliff and an endless gloomy sea
Sunset over a calm sea, the sun setting in the oceanSunset over a calm sea, the sun setting in the ocean
Sea, lighthouse on the background of the departing sunSea, lighthouse on the background of the departing sun
A sea bay with houses on the background of a clear blue skyA sea bay with houses on the background of a clear blue sky
Часть океана — большое водное пространство с горько-солёной водой. Большое количество чего-н. ( высок. ). Повальная смерть, эпидемия.