We can think of a government official holding a news conference, a lawyer cross-questioning a witness in court, or a professor directing a seminar discussion.

我们可以想到政府官员举行新闻发布会，律师在法庭上交叉询问证人，或教授指导研讨会讨论。

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There is more stuff in the space than we can see, and that the gravity of this stuff is holding everything together.

宇宙中存在着比我们所能看到的更多的物质，而这些物质的重力将所有的东西都聚集在一起。

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Holding a positive attitude towards life can give you strength when you're in trouble.

对生活持积极的态度会让你在困难中的得到力量。

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You can see Mister Stewart holding a playful shark underwater.

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Then we can take the derivative of that quantity, when we vary the temperature, holding the volume constant.

即恒定体积，改变温度，这里恒定温度下。

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Okay.So that's all you got to do, and you can hear the holding for twice as long as the other, so you got irregular rate of harmonic change.

好的，现在需要大家做的都弄好了，而且大家可以听到比别的要长两倍，这就是泛音的不规则变化率。

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On occasion, one can observe holding penalties on back-to-back plays during regular season games.

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"I can remember holding my face because of the ringing noise in my head, " she said.

BBC: Derrick Bird asked 'nice day?' before shooting tourist

For starters, the lack of a decent recovery means that the Bank of England may have to loosen monetary policy even further this year, meaning that the market interest rate that foreigners can earn holding sterling will stay very low.

BBC: A pounding for sterling in 2013?