Grandpa: Oh, it's so good to see you. Du Du, I have a present for you. Let 's go.

外公：见到你们真好。都都，我带了礼物给你。我们走吧。

youdao

How about you-du you frequently smile?

你呢？你经常微笑吗？

youdao

It's constant pressure. OK, so now, last time you looked at the Joule expansion to teach you how to relate derivatives like du/dV.

这是恒压的，好，上节课你们,学习了焦耳定律,以及怎样进行导数间的变换。

麻省理工公开课 - 热力学与动力学课程节选

And this is--God, I love this--one picture, you first see the first picture you can actually see of Paris, the faubourg du temple.

这个是,天啊,我爱死这张了,这是你能看到的巴黎的第一张照片,在圣殿郊区街拍的

耶鲁公开课 - 1871年后的法国课程节选

du If you measure something else, you won't get du.

如果你测量其它量，得到的就不是。

麻省理工公开课 - 热力学与动力学课程节选

If your Du Pont is down you sell it and go into Dow.

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In our 400 you will find no Fords, Du Ponts or Morgans.

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We would have dinner and drinks at his massive apartment overlooking Dupont Circle or lunch at Bistro du Coin, back when you could still smoke there.

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