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
Come on, you can do that.
振作起来，你一定行。
What excuse could he have for being so rude?
他做了那样无理的事，将如何辩解呢？
It took him a little time to fix that watch.
他很快就把表修理好了。