ocean floor

US 
UK 
  • un.海底;洋底
  • Web海床;大洋底;海洋底部
un.
1.
海底
2.
洋底

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard