各种教具英文

realiateachingaid参考例句：Audio-visualaidsfortheclassroom,egcassetterecorders,videorecorders,pictures,etc课堂视听教具(如盒式录音机,录相机,图片等).Laserteachingaid激光教具Automatedinstructionalmaterialsservices

realiateaching aid参考例句：Audio-visual aids for the classroom,eg cassette recorders,video recorders, pictures,etc课堂视听教具(如盒式录音机,录相机,图片等).Laser teaching aid激光教具Automated instructional materials services