Backus-naur form
[计] 巴科斯范式
🧩 词语组成解析
巴克斯
🗣️ 情景例句
He'd been two-timing me for months.
他另有所爱，多少个月来一直在瞒着我。
No. It's only a five-minute walk.
不远，只要走5分钟。
'He had travelled only seven miles across the Channel when his engine failed and he was forced to land on sea.
但他只在海峡上空飞行7英里，引擎就发生了故障，他只好降落在海面上。