单词:portable electronics
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[00:00.00]I never watch the TV all night. [00:03.08]I watch TV for sixteen or seventeen hours a day [00:07.05]I also do some exercise every day. [00:09.82]I take Tina,the dog.for a walk every afternoon. [00:13.61]I don't go far,of course. [00:15.74]I
Using Electronics on Airplanes Flight attendant: Im sorry, sir, but all passengers need to turn off their portable electronic devices for takeoff, so youll need to turn off your laptop. Alec: I just need to finish one last email. Flight attendant: Si
American inventor John Goodenough first started working on battery technology more than 40 years ago. Goodenough actually co-invented lithium-ion batteries in 1980. This eventually led to a revolution in the electronics industry because those devices
This is the VOA Special English Economics Report. This year's Consumer Electronics Show opened Thursday in Las Vegas. The event is the world's biggest technology trade show. More than three hundred companies are presenting more than twenty thousand n