Polyfluoroacylphosphonate
[化] 多氟乙酰膦酸酯
🗣️ 情景例句
No. I really don't know how to go about it.
没有。我真不知道如何填。
She's a widow.Her husband died last year.
她是一个寡妇。她的丈夫去年死了。
You're suffering from an allergy?
你过敏吗？