solid rock

US 
UK 
  • un.坚石;固态岩石;坚岩
  • Web坚硬岩石;坚硬的石头;磐石
un.
1.
坚石
2.
固态岩石
3.
坚岩

Sample Sentence

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