Bopp
abbr. 双轴向聚丙烯（Biaxially-oriented Polypropylene）
🗣️ 情景例句
Well, I see you're feeling better.
嗯， 我看得出你感觉好些了。
You certainly are an interesting person!
你的确是个风趣的人。
In the beginning they used to carve Chinese characters on stones to record important dates in history.
开始时，他们常把汉字刻在石头上，记载历史上重要的日期。