Bopp
abbr. 双轴向聚丙烯（Biaxially-oriented Polypropylene）
🗣️ 情景例句
Speaking of school, how are your grades this term?
谈到学业，你这学期的成绩如何？
This is a bread.
这是一个面包。
I'm sorry, I can't find it. I thought it was in my coat.
对不起，我的票找不到了。我原来以为是放在大衣里。