11.电子表 12.摇控器 13.随身听 14.打印机 15.掌上电脑 16.手提电脑 17.电动剃须刀 18.教学软件 19.数码相机 20.电动车

accutron

remote control

walkman

printer

palmtop computer

laptop computer

electric shaver

educational software

digital camera

electrically operated bike