雙語TED
3,125 views • May 3, 2015
Search with your voice
Description
62Likes
3,125Views
2015May 3
雙語TED
119K subscribers
NaN / NaN
2x
If playback doesn't begin shortly, try restarting your device.
•
You're signed out
Videos you watch may be added to the TV's watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.