Preorder traversal
[计] 前序遍历
🧩 词语组成解析
[计] 先根次序
[计] 遍历
🗣️ 情景例句
If you stick to the truth, you'll have nothing to fear.
如果你坚持真理，就会无所畏惧。
I think you may have something there.
我认为在那方面你可能是有理的。
You flatter me immensely。
你真是过奖了。