flashlight手电筒
fluorescentlamp曰光灯
electriccalculator计算器
tube真空管
electricfan电风扇
dictaphone,dictatingmachine录音机
taperecorder磁带
television电视机
electriciron电熨斗
electricfootwarmer暖脚器
electricshaver电动剃须刀
electriccooker电饭锅
electricheater电暖气
electricvacuumcleaner吸尘器
bulb电灯泡
electronicoven电烤箱
radio收音机
microphone麦克风
loud-speaker扩音机
refrigerator冰箱
airconditioning空调
microwaveoven微波炉
drycell干电池
tap电线搭接处