Traversal of tree
[计] 树的遍历
🧩 词语组成解析
[计] 遍历
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
tree
[tri]
n. 树;木料;树状图;宗谱;
vt. 把…赶上树;使处于困境;把鞋型插入（鞋内）;
🗣️ 情景例句
He wrote some nice articles on Mom
他写了一些介绍妈妈的好文章
Hurry back!
快去快回！
No matter how busy you are, he always insists on coming with you.
不管你多忙，他总是坚持要跟你去。