activity theory of learning
学习活动论
热门单词
- absorbing circuit
- accelerating field
- acenaphthenone
- acid proof light boots
- acidite
- Acidol dye
- acoustic altimeter
- acrocontracture
- acrylic baking enamel
- acrylic-vinyl fibre
- acrylonitrile-butylacrylate copolymer
- actinic
- active hydrogen
- activity level
- acyltransferase
- adaptive colour
- adarsa
- adenosylcobalamine
- adiabatic cooling
- adiposuria
- adjustable hack saw frame
