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
I don't get it.
我不明白。
She is hard to please.
她很难取悦。
In many ways, this is unfortunate for the poor actors who are required to go on repeating the same lines night after night.
这样一来，可怜的演员们可倒霉了。因为他们需要一夜连着一夜地重复同样的台词。