Lhs
产生式规则左部
🗣️ 情景例句
That a boy.
对了。
If you want knwledge, you must toil for it.
若要求知识，必须刻苦学习。
But mine are better than yours. Look! Yours are green, and quite small.
但我的比你的好。瞧！你的是青的，而且很小。