B1 noun /ˌfɜːrst ˈeɪd/
first aid
первая помощь
Meaning
Immediate assistance given to a sick or injured person until full medical treatment is available
Example
He gave first aid to the injured cyclist before the ambulance arrived.
Он оказал первую помощь пострадавшему велосипедисту до приезда скорой помощи.