Her work involved more than administration of first aid to the wounded.她的工作不仅是对伤者的急救.We all know first aid.我们都会急救.Always keep a first - aid kit handy .手边要经常有个 急救箱....

first aid的音标：first aid的英式发音音标为：[fə:st eid]first aid的美式发音音标为：[fɚst ed]...

急救...