"If you have the opportunity to get tested for HIV, and there are so many different places that you can test for free, why wouldn't someone want to find out more information about their health."
VOA: standard.2010.07.23
It was then in a matter of moments, that I decided that I had to find out why and become happier.
也就是在那时,我决定要找出原因,变得快乐。
Last time we taught this class, we did a survey to find out what type of people were sitting in this room-- they are just like yourselves-- and find out why you'll be taking this class.
上一次我们教这门课时,我们做了一个调查,看看坐在这上课的都是什么类型的人-,他们就像你们一样-,看看为什么你们会上这门课。
Then, I was talking it over with another graduate student and he said, well if you want to find out why don't you ask J.R. Hicks?
随后,我和另一位研究生讨到了此问题,他说,如果你想知道,干嘛不直接去问J·R·希克斯
Let me try and find out some reasons why people chose.
我们来探讨下你们为什么这么选
So you don't want to put in a negative energy, that's not going to help you out, you need to put in positive energy to get an electron out of the system. So that's why you'll find binding energies are always negative, and ionization energies are always going to be positive, or you could look at the equation and see it from there as well.
因为这对电离没有帮助,你需要一个正的能量,使得电子脱离这个系统,这就是为什么你会发现,结合能总是负的而电离能总是正的,或者你们看这个方程也可以发现这一点。
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