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
My favorite snacks are soda, popcorn and potato chips.
我最喜欢的零食是汽水、爆米花和薯片。
It says a storm may come next month.
天气预报说下个月会有一场暴风雨。
Only a few kilometres. I think it's about seven. OK. We're all here, now.
谩Ｎ颐嵌嫉狡肓恕?