Bopp
abbr. 双轴向聚丙烯（Biaxially-oriented Polypropylene）
🗣️ 情景例句
The advanced class starts at ten o'clock.
高级健身课十点钟开始。
She's meeting me at the Libe at seven.
她约好七点跟我在图书馆见面。
One day a week he would spend the whole day in silence.
每周有一天他是在沉默无语中度过的。