VOA慢速英语:Electronics Show Displays Newest Gadgets

consumer – n. a person who buys goods or services

gadget – n. a small, useful device

tracker – n. a device that follows and records the movements of someone or something

calorie – n. a measure of heat used to show the amount of energy that foods will produce in the human body

aggravate – v. to make (someone) angry

ereader – n. a handheld device on which electronic versions of books, newspapers and magazines can be read

battery – n. a device that is placed inside a machine (such as a clock, toy, or car) to supply it with electricity

stream – v. send or receive electronic data over the Internet

gluten – n. a substance in wheat and flour that holds dough together

selfie – n. a photograph that one has taken of oneself, usually one taken with a smartphone or webcam and shared on social media

thermostat – n. a device that sets the temperature in a room to a desired level

code – v. to change information into letters, numbers, or images that can be read by a computer

caterpillar – n. an insect with many legs that becomes a butterfly or moth

cartoon – n. artwork or pictures as a humorous comment on something

alarm – n. a device that makes a loud noise

fragrance – n. a pleasant and usually sweet smell