Opp
abbr. 定向聚丙烯
📖 牛津释义
opp
abbr 缩写 = opposite.
🗣️ 情景例句
We're planning to buy a house.
我们计划买一栋房子。
Reason is the guide and light of life.
理智是人生的响导和光辉。
Boiling is always a good way of treating water.
烧开一直是水处理的一种好办法。