underwater

Từ điển Oxford Advanced Learner 8th

▪ I. under·water [underwater] BrE [ˌʌndəˈwɔːtə(r)] NAmE [ˌʌndərˈwɔːtər] adjective only before noun
found, used or happening below the surface of water
•underwater creatures
•an underwater camera
 
▪ II. under·water adverb
• Take a deep breath and see how long you can stay underwater.
Main entry: ↑underwater_derived

• Từ đồng nghĩa / Synonyms:
  subaqueous, subaquatic, submerged, submersed