The Norfolk position is one of two top command posts promised to France when it rejoined the alliance.

VOA: standard.2009.09.10

This diagram at the top here is a very familiar one to most of you, it's sometimes called the central dogma of molecular biology.

顶部这个示意图,对大家来说都非常熟悉,这叫做分子生物学的中心法则

耶鲁公开课 - 生物医学工程探索课程节选

In the Ancient Near East, destroyed cities tended to be leveled, and then a new city would just be built on top of the ruins, Tell Dor each one of those is called a tell These are mounds which represent the successive layers of destroyed and rebuilt cities.

在古代近东地区，被摧毁的城市一般较平坦，那么新城就可以建于废墟之上，这些土丘被称作“退尔“你们也许听过,这些就是小土丘,它们代表着一层层被摧毁又重建的城市。

耶鲁公开课 - 旧约导论课程节选

For decades,it was considered one of the top airlines in the world, and other carriers in Asia tried to copy its style and success.

VOA: standard.2010.02.01

But security is one of the top concerns as election officials hurry to deliver supplies to polling stations before the harsh winter weather cuts off access.

VOA: standard.2009.10.24

"I think that,because it looks like the top four parties are going to be relatively close to one another, it is going to require a significant amount of political maneuvering, brokering deals, a lot of horse-trading behind closed doors to form a government.

VOA: standard.2010.03.12