Blackboards, classrooms, tables, chairs, curtains, windows, textbooks, lights, fans, air conditioning, multimedia, computer, handle, lock, floor tile, wall, chalk, blackboard eraser, triangle board, compass, blackboard newspaper
黑板,教室 ,桌子,椅子 ,窗帘,窗户,课本,灯,风扇,空调,多媒体,电脑,把手,锁,
地板砖,墙,粉笔,黑板擦,三角板,
圆规,黑板报