find file

例句：

1. 1. I found the book on the table.
   我在桌子上找到了那本书。
2. 2. She discovered a new species of bird in the Amazon rainforest.
   她在亚马逊雨林中发现了一种新的鸟类物种。
3. 3. The scientist ascertained that the theory was incorrect.
   科学家确认这个理论是错误的。