孩子们在沙滩上捡拾被潮水冲上来的贝壳和小玩意。

The kids were ___scavenging for shells and trinkets washed ashore by the tide.

乌鸦正在垃圾堆里寻找腐烂的食物。

The crows were ___scavenging for rotten food in the garbage pile.

他们在旧货市场捡废品来制作艺术品。

They are ___scavenging discarded items at the flea market to create art pieces.