书籍 Solutions - 中级 - 单元 5 - 5C

a mechanical tool or an electronic device that is useful for doing something

the system through which different devices can be connected to each other over short distances wirelessly using radio waves

a device worn on the head that combines a headphone and microphone for listening and speaking

equipment that transforms electrical signals into sound, loud enough for public announcements, playing music, etc.

a portable device used to take pictures and videos

a type of radio broadcasting that uses digital signals for transmitting audio, providing clearer sound quality compared to analog radio

an electronic device on which video games can be played

a small device used for storing or transferring data between electronic devices

a small device used for listening to audio and MP3 files

a device that uses GPS technology and satellite signals to help drivers navigate to their destination by providing them with real-time information about their location and route

a portable device that combines the functions of a cell phone and a computer, such as browsing the Internet, using apps, making calls, etc.

a small clock worn on a strap on your wrist or carried in your pocket

a flat, small, portable computer that one controls and uses by touching its screen