growing or remaining under water; "viewing subaqueous fauna from a glass-bottomed boat"; "submerged leaves" 同义词:subaqueous, subaquatic, submerged, submersed,
beneath the surface of the water; "submerged rocks" 同义词:submerged, submersed,
百科解释
Underwater is a term describing the realm below the surface of water where the water exists in a natural feature (called a body of water) such as an ocean, sea, lake, pond, or river. Three quarters of the planet Earth are covered by water.