"If we put a bureaucratic hand on this, we will stifle the capacity for modern technology to give us a better shot at the students learning the material."

VOA: special.2011.06.09

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