sub-structure

US 
UK 
  • n.钻塔底座;底层结构
  • Web子结构;亚结构;下部结构
n.
1.
钻塔底座
2.
底层结构

Sample Sentence

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