Pat Bodnar has more. "And the Pursuit of Happiness" began as a monthly column in the Opinion section of the New York Times.

VOA: special.2010.12.10

often a biologist can discriminate between different kinds of cells that they see in section of a tissue for example, merely by its shape and the characteristics that it has.

生物学家经常可以在组织切片上,仅凭所看见的细胞形状来区分不同细胞,如果举例来说的话,仅通过细胞的形状和特性就足够

耶鲁公开课 - 生物医学工程探索课程节选

When structuralism thinks about how yesterday things were different from the way they are today, it has to say: yesterday there was a certain synchronic cross-section of data, and today there's a slightly different synchronic cross-section of data.

结构主义想,昨天的事情和今天的事情如何不同时，它不得不说：,昨天有某个数据的同步剖面，今天有数据的略微不同的同步剖面。

耶鲁公开课 - 文学理论导论课程节选

It has a swing set, a climbing section, a slide and a tire for swinging.

VOA: special.2009.05.08

"A player who hasn't been playing for very long, I try to keep them next to the section player, or leader as we call it, that has been playing a while so they can always ask questions say, 'Hey,I don't know what that means.'" Matt is now in college, studying music education.

VOA: special.2010.06.21

The program has cost more than $700 million so far, but has only been tested over a 37-kilometer section.

VOA: standard.2010.04.21