我们很难发现这类天体,更不用说用光学望远镜研究它们了。
We have trouble discovering those sorts of bodies, much less studying them using just optical telescopes.
蜘蛛网是如此神奇,以至于工程师们多年来一直在研究它们。
Spider webs are so amazing that engineers have been studying them for years.
这些鸟很难观察,因为它们生活在山区森林里,所以研究人员在一些鸟的尾巴上安装了微型摄像机,以此作为一种研究它们行为的方法。
The birds are hard to observe, as they live in a region of mountainous forest, so the researchers have attached tiny cameras to the tails of some birds, as one method of investigating their behaviour.
And there are lots of solutions that chemists come up with -- there's always new techniques that allow us to do this, and these are just some of the first, and we'll go through them in a little bit of detail here.
的情况下研究或者发现它们,化学家们想出了很多的办法,人们发明新的技术来实现它,这些是最早遇到的一些问题,我们要稍微来,研究下它们的细节。
So, this allows us to look at a bunch of different atoms, of course, limited to the fact that it has to be a 1 electron atom.
所以这让我们可以研究很多原子,只要它们都只有一个电子。
He thinks about examples, he surveys examples and tries to extract a kind of metaphysical principle from this.
他思考一些例子,调查研究它们,试图从中提取一种,哲学原理。
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