Bopp
abbr. 双轴向聚丙烯（Biaxially-oriented Polypropylene）
🗣️ 情景例句
Hi, Bob.
嗨，鲍勃。
Keep that in mind.
记住那件事。
No, no drawings can be done until the wall is dry. That may take about a week.
不行。墙不干是不能在上面画画的。大概要一周才能干。