Bcnf
BCNF范式
🗣️ 情景例句
I need a new supply of razors and shaving cream.
我需要新的剃须刀和剃须膏。
Deeds are fruits,words are but leaves.
行动是果实，言语只是叶子。
I have to raise some issues which may be embarrassing.
我必须提出一些比较尴尬的问题。