VOA慢速英语:Medical Mistakes, Third-Leading Cause of Death in US

respiratory – adj. having to do with the system of breathing

authority – n. someone who is an expert in a subject

diagnostic – adj. relating to identifying sickness or disease

absence – n. the lack of something

unintentionally – adv. done without meaning to, not planned or intentional

statistics – n. numerical information often about how many or how often something is done

data – n. information