- 问题详情: Firstaidmeanstheaidorthehelpthatcanbegiventoaninjuredpersonfirst.thatis,beforeanyotherhelparrives.Nowadaysthereisusuallyatelephonenotfarawayandthefirstweshoulddo,ifaseriousaccidenthappens,istotelephoneforanambulance.Butsometimesquickactionby...
- 20169