Scientists are hot on the tail of one of nature?s most elusive substances, the mysterious dark matter that is thought to make up the bulk of the universe.

科学家们正在热切的追逐着自然界中最难以捉摸的物质——神秘的暗物质，一般认为它构成了宇宙的大部分组成。

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The active discipline of heightening one "s perception of what is enduring in nature would have been his idea of the high."

他心目中的“高层次”，则是这样一种积极的人生戒律，即要使自己对自然界永恒之物的感悟臻于完美。

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Jeff: in looking at SOA, it is very similar in nature to functional design and constructs that were done in the 80's.

Jeff：看看SOA，其本质非常类似于80年代就已经完成的功能设计和构造。

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The leading English poet of Newton's time, Alexander Pope,honored the scientist with these words: "Nature and nature's laws lay hid in night.

VOA: special.2011.06.01

So let's understand: what is the nature of exponential function so that we can understand the power of one?

让我们先理解指数函数的本质,以便理解“一“的力量？

哈佛公开课 - 幸福课课程节选

Now I want to ask, what's the nature of the carbon-hydrogen bond?

现在我想问问，碳氢键的本质是什么？

麻省理工公开课 - 固态化学导论课程节选

And that's the nature of it, and they can't jeopardize somebody's life in order to allow a civil proceeding to go ahead.

NPR: Invoking the State Secrets Privilege

That's the nature of both the threat and the response to it.

WHITEHOUSE: Press Briefing

That's the nature of the business, trying always to stand at the edge of what we know and how we can do things.

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