Npo
abbr. ne per oris (Latin=not by mouth) （拉丁语）非口服; negative-positive-zero 负极-正极-零点
🗣️ 情景例句
And have you had an engineer come in to do an inspection?
你们可有一个工程师来做过检查吗？
No love is foul,nor prison fair.
没有肮脏的爱情，也没有美丽的监狱。
After they carved the characters on rocks, they put a piece of wet paper on top of the characters and beat it lightly.
他们把字刻在石块上后，再把一张潮湿的纸放在字的上面，并轻轻地拍打。