Excuse me, what material is the ShamWow made of?

容许我问shamwow万能布是用哪些材质作成的吗？

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Knowing the answer to this question can give you some insight into what material things you actually need beyond the bare necessities, in order to be happy.

了解这个问题的答案可以使你领悟到为了活得快乐，你实际需要比满足纯粹的生活所需多多少的物质。

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If there is not the accurate match method, it is very difficult to determine some chromatograph peak represents what material.

如果没有准确的匹配方法，就很难确定某个色谱峰代表何种物质。

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But experts say no-one knows how large the world stockpile of nuclear material is because not every country reports what it's producing.

VOA: standard.2010.04.06

We could just collect a bunch of data. For a material .What's the volume it occupies at some pressure and temperature?

对一种物质我们可以得到一系列测量数据,在给定的温度和气压下,它的体积是什么？

麻省理工公开课 - 热力学与动力学课程节选

What I really want to do is just give an example of what happens when you throw the thing, the material into a calorimeter and see how much the temperature changes.

我想做的是给出当,你把这些东西，这些材料扔进，量热计时会发生什么,看看温度会变化多少。

麻省理工公开课 - 热力学与动力学课程节选

They know what material needs to be removed by their razor sharp tool and what wood remains.

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"As of now, we do not know what material was used in making the bomb, " he said.

BBC: Site of the blast

The helmets worn by journalists in hostile areas are made of what material?

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