She was shot through the brain. Police believe she was the main target of the attack -- the first shooting of a member of Congress in more than thirty years.

VOA: special.2011.01.15

So how would we go about solving this problem if I told you not only was there a maximum weight, but there was a maximum volume. Well, we want to go back and attack it exactly the way we attacked it the first time, which was write some mathematical formulas.

有些时候两个都重要,所以如果我告诉你这里不仅有,最大重量还有最大容量，我们应该怎么解决这个问题呢？,好了，我们想回过来然后,和第一次一样看看这个问题。

麻省理工公开课 - 计算机科学及编程导论课程节选

Russian officials say this bombing was the first deadly terrorist attack in Russia outside of the North Caucasus in five years.

VOA: standard.2009.12.12

This recent incursion is the first of its kind since 2008, when hundreds of soldiers entered Iraq to attack PKK bases.

VOA: standard.2010.06.17

The researchers say this is the first study linking health insurance to the decision to seek treatment for a heart attack.

VOA: standard.2010.04.18

First it was warning shots, but when the Mavi Marmara wouldn't stop, these warnings turned into an attack.

VOA: standard.2010.06.01