Nonterminal
非终结符号, 非末端
🗣️ 情景例句
He really likes to play the field.
他不喜欢做出承诺。
I'll leave for London if I finish my work today.
如果我今天完成工作，我就会去伦敦。
Number 13 buses run much more frequently, don't they?
13路车跑得更勤，是不是？