grade level

US 
UK 
  • un.均衡水平面;地面线
  • Web年级;年级水平;适用年级
un.
1.
均衡水平面
2.
地面线

Sample Sentence

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