There were three questions. The first two were relatively easy but the third one was hard.
有三个问题。头两个相对容易,第三个困难。
But the third little pig was a clever little pig.
但是,第三只小猪是只聪明的小猪。
那第三句呢?
But counting the world's third largest population -- about three hundred nine million by current estimates -- is no easy job.
VOA: special.2010.03.20
actually our third, but the second one we're going to talk about in terms of formal charge, which is thionyl chloride.
实际上是第三个,但它是第二个,形式电荷的例子,也就是亚硫酰氯。
So it's shown here for the second row, but it's actually also going to be true for the third row.
尽管这里只显示了第二行,但是这对于第三行其实也是成立的。
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