Pyongyang also rallied public support behind the country's nuclear weapons program, and conducted its second nuclear test.

VOA: standard.2009.12.30

If I come into this code, I'm going to check this branch first, if it's not true, ah, there's a return at the end of that branch. If it is true, I do that, and then I've got a second test. If it's true, return I return, otherwise a return.

但是如果我们看看这里,如果我看这段程序,我会先检查这一部分，如果它是假的，啊，这部分分支结尾有一个。

麻省理工公开课 - 计算机科学及编程导论课程节选

And then it has a strange thing called ELIF, which is simply short for else/if in a second test.

然后代码做了一个奇怪的,叫做ELIF的事情，也就是else/if的简写,这是第二个测试。

麻省理工公开课 - 计算机科学及编程导论课程节选

The United States and South Korea say they will be diligent about implementing U.N.Security Council sanctions imposed after North Korea conducted the second nuclear weapons test in its history in May.

VOA: standard.2009.09.06

I have the freedom to pass that person because I like the trend. Suppose I have somebody else who came here with two years of chemistry in high school, got a 95 on the first test, 70 on the second test, failed the third test, failed the final, has an aggregate score of 48.

我能够选择让那人通过,因为我喜欢他的进步，假设另一个同学,学了2年的化学在高中,第一次测试得到95分，第二次70分，第三次没通过，期末考也没通过。

麻省理工公开课 - 固态化学导论课程节选

So first of all, I've got to be careful about the end test. But the second thing is, OK, if it stops whenever this is less than two, am I convinced that this will always halt?

小心最后一次比较,其次，如果少于两个元素程序停止了,我们能确信这总是应该终止的么？,答案是肯定的，因为我在做什么？

麻省理工公开课 - 计算机科学及编程导论课程节选