Pona number
[化] 波纳值
🧩 词语组成解析
abbr. paraffin; olefin; naphthene; aromatic (test for petroleum octane rating) 链烷烃
🗣️ 情景例句
A lot of people come to openings
许多人参加开幕仪式
Grasp all, lose all.
贪多必失。
You can kill two birds with one stone.
一举两得。