Backus normal form
[计] 巴科斯-诺尔范式
🧩 词语组成解析
巴克斯
🗣️ 情景例句
You two must be close.
你们两个关系一定很好。
The darkest hour is that before the dawn.
黎明前是最黑暗的时刻。
the line that the pen was drawing wriggled from side to side.
笔所画出的线就会左右摆动。