今天我在树下散步时，发现一个书包的翻译：Today I was walking under a tree and found a bag 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Today, I walk under a tree and found a bag

Today I was walking under a tree and found a bag

Today I takes a walk when the tree, discovers a book bag

Today, I am walking under a tree, they found a schoolbag

Today I was walking under a tree and found a bag