Postorder traversal
[计] 后序遍历
🧩 词语组成解析
[计] 后根次序
[计] 遍历
🗣️ 情景例句
I worked to put together a book of photographs.
我的工作是创作出一本摄影书。
I can't move.
我走不动了。
Yes, here you are.Thanks very much!
给你。太谢谢你了！