VOA慢速英语:Kenyan Runners Find Place on US Olympic Team(翻译)

trial – n. a test of the ability of an athlete to perform in a competition

enlist – v. to sign up (a person) for duty in the army, navy, etc.

determination – n. a quality that makes you continue trying to do or achieve something that is difficult

ethos – n. the guiding beliefs of a person, group, or organization