Postorder traversal
[计] 后序遍历
🧩 词语组成解析
[计] 后根次序
[计] 遍历
🗣️ 情景例句
Her illness kept her in bed for a week.
她因生病而在床上躺了一星期。
A pound of care will not pay an ounce of debt.
深忧偿不了小债。
You could save a lot if you would order a little more.
如果你单子下得多一点，可以省不少的钱。