Cnf
abbr. 合取范式（conjunctive normal form）；成本加运费（cost and freight, 等于CFR）
🗣️ 情景例句
Not just for young people.
不仅仅对年轻人来说是这样。
She was disappointed by what Lawrence said.
她对劳伦斯说的话感到失望。
Strange forms stand in gardens, and outside buildings and shops.
公园里、大楼和商店外竖立着的奇形怪状的雕塑，