Cnf
abbr. 合取范式（conjunctive normal form）；成本加运费（cost and freight, 等于CFR）
🗣️ 情景例句
5, 6, 7, go right, 1, 2, back, 5 6 7
向右 1 2 后退
How would I know?
我怎么知道？
or those inviting 'our camping friends' to a dance or a boat trip are printed not only in French or Italian or Spanish,
和邀请露营朋友参加舞会、乘船观光的招贴不仅印成法语、意大利语、西班牙语，