medevac helicopter救难直升机
medevac medical evacuation医疗后送
A medevac chopper医务救助任务;救伤直升机
Search and Rescue Vietnam MedEvac救援行动之越南任务
N(名词) the evacuation of casualties from forward areas to the nearest hospital or base 前线急救直升机 [军事]
V(动词) to transport (a wounded or sick person) to hospital by medevac 用急救直升机遣送伤员