rescuer
['reskjuə]
n. 救援者
例句与用法：
The one and only way to rescuer him is to lower down a rope.
营救他的唯一办法是往下放一根绳索。
The rescuer called to the men to pay out more rope so that he could go further down the cliff.
营救者向人们喊，要他们把绳子再放长些，好使他能下到崖下。
详细释义：
n.
救助者; 援救者