scavenging air

例句：

1. 1. The team spent hours scavenging through the rubble to find survivors.
   团队花了数小时在废墟中搜寻幸存者。
2. 2.After the storm, they had to scavenge for food and water.
   暴风雨过后，他们不得不搜寻食物和水。
3. 3. The search party was scavenging in the forest when they found the lost child.
   搜救队在森林里搜寻时发现了那个迷路的孩子。