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
Sichuan Food is famous for being hot and spicy.
川菜以麻辣著称。
Be just to all,but trust not all.
要对一切人都公正，但不要对一切人都信任。
After a wonderful meal, they told stories and sang songs by the campfire.
他们美美地吃了一顿饭后，就围在营火旁讲起了故事，唱起了歌。