A brave girl is sitting on the edge of a cliff above the cityA brave girl is sitting on the edge of a cliff above the city
The sun's rays break through the clouds over the seaThe sun's rays break through the clouds over the sea
A tropical island in the ocean against a background of white cloudsA tropical island in the ocean against a background of white clouds
The sea waters parted in front of the busy highwayThe sea waters parted in front of the busy highway
Часть океана — большое водное пространство с горько-солёной водой. Большое количество чего-н. ( высок. ).