词汇	play a song
释义	play a song 演奏歌曲
随便看	household hardware household hazardous waste household head Household Heads household health interview survey household heater household heating household heating metering household heating system household heat measurement household heat measuring household heat metering household heat-metering household heat pump water heater household heirless property household-level household-lies household life cycle household lifestyle household help household/home appliance household hotels household hot-water heater household identification book household illumination system