观看免费视频 From Horse Pulled Wagons…to Bullet Trains

(210 MB) 添加日期26 Aug 2018 播放100次 儿童 Review
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From Horse Pulled Wagons…to Bullet Trains

动画说明:

Modern transportation technology lets us travel hundreds of miles to go to work, and eat food grown half-way around the world. It's made life much easier for us than it was for our ancestors. But it's caused big problems, too, and given us important choices to make for the future.

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