activity method of teaching
活动教学法
热门单词
- abrasive tool
- AC resistance and reactance
- accumulation mountains
- Acelan
- acetometer
- acid precipitation
- acid tar
- acousma
- acquired trait
- acrylic glass set square
- Actellic
- active component
- adaptation disease
- adapter sleeve
- addition product
- adenohypersthenia
- adenosine monophosphate
- adhering
- adjustable compound tap
- adjustable die
- adjustable tubular hack saw frame
