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
Claims, if any, must be made within 30 days after the arrival of the goods.
索赔必须在货物抵达目的地后30天内提出。
Will it be convenient for you to explain your plans to him?
你向他解释计划将是方便的吗？
You're just a good for nothing bum!
你真是一个废物！