慢速英语:Consumer Electronics Show 2017: Homes Think for Themselves

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doorbell – n. a bell outside a home that people usually ring by pushing a button

notification – n. a message used to carry information

around the corner – phrase. very close; happening soon

thermostat – n. device that adjusts the temperature of a room

drip – n. small drop of liquid

remote – adj. far away

ensure – v. make sure something happens

habit – n. something someone does often in a regular and repeated way