Postorder
[计] 后根次序
🗣️ 情景例句
Good morning. This is Huang Feng.
早上好，我叫黄凤。
Big mouthfuls ofter choke.
贪多嚼不烂。
I can't do that, Mr Tiger, said the monkey.
“我不能这么做呀，老虎先生，”猴子说