And...but...but...we have to go a little beyond that. 我们需要进一步深入。 Now let me explain why vibrational theory has some sort of interest in it. 现在我来解释为什么震动理论有一定的道理。 These molecules, as you saw i

发表于:2018-12-19 / 阅读(34) / 评论(0) 分类 TED演讲教育篇

However, I managed to get a hold of a Borane eventually, and here is the beast. 无论如何,我最终得到了一些硼烷,这就是那个怪物。 And it really does have the same -- if you calculate, if you measure the vibrational frequencies,

发表于:2018-12-19 / 阅读(50) / 评论(0) 分类 TED演讲教育篇

And every single part of this mechanism is actually plausible in biology. 实际上,这个机制的每一个步骤在生物领域中都是可行的。 In other words, I've taken off-the-shelf components, and I've made a spectroscope. 换句话讲,我

发表于:2018-12-19 / 阅读(21) / 评论(0) 分类 TED演讲教育篇

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Used to be if spies wanted to eavesdrop, they planted a bug. These days, it's much easier. Because we all carry potential bugs in our pocketssmartphones. One t

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发表于:2018-12-25 / 阅读(93) / 评论(0) 分类 中式口语纠错

By Larry London Washington 29 October 2007 With two live CD/DVD's, over ten singles, and millions of record sales worldwide, the band Sum 41 is on tour in support of its latest album, Underclass Hero. VOA's Larry London sat down with the bands founde

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