Reverse polish notation
un. 反波兰表示法\\n
🧩 词语组成解析
reverse
[rɪ'vɝs]
vt.& vi. （使）反转;（使）颠倒;掉换，交换;[法]撤消，推翻;
vi. 倒退;[桥牌]逆叫;
adj. 反面的;颠倒的;倒开的;[生]倒卷的;
n. 倒转，反向;[机]回动;倒退;失败;
re向后，相反+verse转→反转，颠倒
🗣️ 情景例句
Goodbye, it was a pleasure meeting you.
再见， 和你见面很高兴。
It is a small flock that has not a black sheep.
家家难免有败类。
Yes, of course. It's very easy.
那当然。煮它（豆腐）并不难。