Bopp
abbr. 双轴向聚丙烯（Biaxially-oriented Polypropylene）
🗣️ 情景例句
running for the school board.
竞选联合校董会董事。
How do you do?
你好！
Some friends of my family had this irritating habit.
我家有几个朋友就有这有令人恼火的习惯。