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
What time is it?
现在是什么时间了？
First impressions are most lasting.
最初的印象最为持久。
When she caught up with them, she saw that they had sat down and were going through the contents of the bag,
当她赶上他们时，发现他们已经坐了下来，正翻着包里的东西。