Definition
to examine items within a collection in order to select those you need
挑选；挑拣
She picked through the box of old clothes to find a few items to donate.
她在旧衣服的箱子里翻找，想要找出几件可以捐赠的物品。
The students picked through the books in the library, hoping to find the material they needed.
学生们在图书馆的书堆中翻找，希望能找到他们需要的资料。
He picked through the pile of trash, hoping to find something useful.
他在垃圾堆里翻找，希望能找到一些有用的东西。