sea floor

US 
UK 
  • na.海底;海床
  • Web深海的海床;海洋底层;海楼
na.
1.
海底;海床

Sample Sentence

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