英语里捡到东西怎么说

To find something in English, you can say "I found [something]." For example:
I found a wallet on the sidewalk.
I found a book in the library.
I found my keys in my bag.
You can also use the phrase "pick up" to describe the action of finding and picking up something:
I picked up a rock on the beach.
I picked up a piece of paper from the floor.
You can also use the verb "discover" to describe finding something, especially if it is something unexpected or significant:
I discovered a hidden treasure in the attic.
I discovered a new species of plant in the forest.