Pronunciation Challenge The surprisingly long history of electric cars - Daniel Sperling and Gil Tal

Host : Jeff Chiao
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As we are more aware of CO2 emissions and global warming, there are more and more people choose to drive electric cars instead of gasoline ones. Electric vehicles seem like a cool new idea, but do you know they actually came before gasoline ones? Watch today's video to find out more about the intriguing history of EVs!

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Challenge History

Today's Sentence

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Max 6 minutes

But other companies were developing increasingly efficient batteries to power a new wave of portable electronics.

Key Vocabulary

1. develop

develop

[dɪˈvel.əp] (v.)

2. efficient

efficient

[ɪˈfɪʃ.ənt] (adj.)

3. portable

portable

[ˈpɔːr.t̬ə.bəl] (adj.)