size class

US 
UK 
  • un.树木径级
  • Web粒径级;孢粉大小等级;尺寸等级
un.
1.
树木径级

Sample Sentence

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