Opp
abbr. 定向聚丙烯
📖 牛津释义
opp
abbr 缩写 = opposite.
🗣️ 情景例句
You can't afford to ignore the profession's code of conduct.
你不能无视行业的行为准则。
Omelets are not made without breaking of eggs.
鸡蛋不打破，蛋卷做不成；不甘愿吃苦，则预期效果达不到。
The first question to answer is whether a planet can actually support life.
第一个需要解答的问题是一颗行星是否有能够维持生命的条件。