If we want to talk about two hydrogen atoms, then we just need to double that, so that's going to be negative 2 6 2 4 kilojoules per mole that we're talking about in terms of a single hydrogen atom.

而要讨论两个氢原子，我们只需要把它乘以二，因此应该是负的，2624，千焦每摩尔，这就是单个的氢原子的情况。

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For years, as a conservative radio talk show host, I played a role in that conditioning by hammering the mainstream media for its bias and double standards.

多年来，作为一名保守派电台脱口秀主持人，我也在这种习惯的形成中发挥了作用，斥责主流媒体的偏见和双重标准。

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A novel nonparametric classifier called NNL classifier is introduced to detect double-talk.

一种称为NNL分类器的新的非参数分类器被用来检测双端通话。

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In contrast, if we talk about a double bond, what we're now talking about is having both a sigma bond and also one pi bond. And I apologize, I intended to set this up right before class, but that didn't happen today.

相反，如果我们讨论一个双键，我们现在讨论的是,一个sigma键和π键，抱歉，我应该在课前就把这个装好的，今天没装好。

麻省理工公开课 - 化学原理课程节选

Over the past month and a half, the U.S. stock market has tumbled from its late April highs, and talk of a double-dip recession is becoming more frequent.

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It didn't help that we were smack in the middle of the Depression and Prohibition. (Talk about a double whammy-first, you lose your job, then you can't even get a drink.) I remember a lot of potato soup at home, along with canned peas, canned pears, canned everything.

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He criticised the focus on talk of a "double-dip" and "triple-dip" recession - defined by the economy contracting in two consecutive quarters - saying the longer-term trend was more important.

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