These books re-established Fitzgerald's fame as both an observer of his times and a skilled artist.

VOA: special.2010.11.28

He was the first generation to go to college, grew up in the farms, and as such, he was very skilled with machining.

他是家里面第一个大学生，出生在农场，他很精通机械。

麻省理工公开课 - 固态化学导论课程节选

Plus it makes it, as I talked about last time, much easier to think about distributing the vaccine around the world because shots require skilled medical personnel, whereas, an oral vaccine could be self-administered.

而且,这会使得,就像我上次谈到的,这会使得疫苗更容易在世界范围内分发,因为注射需要专业医疗人员,但是,口服疫苗自己就可以服用

耶鲁公开课 - 生物医学工程探索课程节选