He found that the length of time it takes a sound's echo to decay is determined by the absorption of the sound's original energy by surrounding material.

他发现，声音回声衰减的时间长短取决于周围物质对声音原始能量的吸收。

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The orderly nature of our solar system leads most astronomers to conclude that the planets formed at essentially the same time and from the same material as the Sun.

我们太阳系的有序特性使大多数天文学家得出结论，这些行星基本上在同一时间形成，且物质来源和太阳的一样。

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At the time, she was searching for a way to make a material strong enough to use on automobile tires.

VOA: special.2010.02.09

So first I'm gonna say something about identity across time or indeed initially identity across space with some familiar humdrum material objects.

所以我首先要,用一些大家熟悉的一般实物,谈谈贯穿时间,和贯穿空间中的人格。

耶鲁公开课 - 死亡课程节选

Spirit is merely a kind of bodily form of energy, and God at the beginning of time infused this energy into the entirety of the material world at the Creation.

灵魂不过是能量的一种物质形式，上帝在时间之始创世纪之际将这能量,注入到了整个物质世界之中。

耶鲁公开课 - 弥尔顿课程节选

It really comes down to time and material, and how much time, how much material, how much assets we're willing to put against that one objective.

CNN: Kelly McCann: The role of special operations in finding bin Laden

This is because the degree of carbonisation of organic material as measured with electron spin resonance is dependent only upon the amount of carbon and not on the time material has been heated for.

BBC: NEWS | Science/Nature | Bones hint at first use of fire

Then they asked a similar group to judge the same material, this time supposedly authored by a woman.

FORBES: Why Is It That Women Are Seen As Less Competent?