Polyfluoroacrylate
[化] 聚氟代丙烯酸酯
🗣️ 情景例句
He is new at the work to the work.
他没有做这项工作的经验。
Heaven helps those who help themselves.
天助自助者。
The day after, Patrick went to the house once more and asked exactly the same question.
第三天，帕特里克又去了，提出了同前两天完全一样的问题。