teaching-aid means教辅手段
teaching g aid教具
Teaching-aid book教辅书
Teaching-aid教辅办
FIESTA-a filter educational synthesis teaching-aid的翻译是节日过滤器教育综合教援助
Teaching aid and demands教学目的和建议
intuitional teaching aid直观教具
Kindergarten teaching aid design幼儿园教具设计
laser teaching aid激光教具
N（名词） any device, object, or machine used by a teacher to clarify or enliven a subject 教学辅助