first responder
Longman Dictionary of Contemporary English 5++LDOCE 5++ˌfirst reˈsponder noun [countable] American English a member of the police, fire, or medical services who has been specially trained to be the first person to go to a very serious accident or to an extremely dangerous and unexpected situation that must be dealt with quickly 〔警察、消防队或医疗机构的〕快速反应小组成员,第一线应变人员
ˌfirst reˈsponder nounChineseSyllable
first responder
ˌfirst reˈsponder
noun [countable] American English
a member of the police, fire, or medical services who has been specially trained to be the first person to go to a very serious accident or to an extremely dangerous and unexpected situation that must be dealt with quickly
ˌfirst reˈsponder
noun [countable] American Englisha member of the police, fire, or medical services who has been specially trained to be the first person to go to a very serious accident or to an extremely dangerous and unexpected situation that must be dealt with quickly
especially