subsoil

US [ˈsʌbˌsɔɪl]
UK ['sʌb.sɔɪl]
  • n.底土;心土
  • v.翻起…的底土
  • Web下层土;地基;地基下层泥土
Plural Form:subsoils  Past Participle:subsoiled  Present Participle:subsoiling  
subsoil
n.
1.
底土;心土the layer of soil between the surface of the ground and the hard rock underneath it

Sample Sentence

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