战地急救员

例句：

1. 1. He gave me a hand to carry the heavy box.
   他帮我搬那个重箱子。
2. 2. She offered her assistance in solving the problem.
   她提供帮助以解决这个难题。
3. 3. The aid workers were busy distributing food and water to the affected area.
   援助工作者忙于向受灾区域分发食物和水。