Richard Phillips was rescued Sunday after members of an elite Navy unit shot and killed three of his captors.

VOA: standard.2009.04.13

For example, what if you could make a hepatitis vaccine that was good in one shot instead of three shots?

比方说,如果你研制的一种肝炎疫苗,只需接种一次,而不是三次会怎么样

耶鲁公开课 - 生物医学工程探索课程节选

"I turned those movies down and off I went on the road, for three months at a shot.

VOA: standard.2009.11.03

"I have been blown up three or four times,three times, and I have been shot at I do not know how many times and then I had diphtheria, measles and pneumonia,"

VOA: standard.2009.11.04