Context-free grammar
[计] 上下文无关文法
🧩 词语组成解析
free
[fri]
adj. 自由的;免费的;免税的;空闲的;
adv. 免费地;自由地，无拘束地;一帆风顺地;
vt. 免除;释放;使自由;解救;
🗣️ 情景例句
Well, we all go through this at some stage of life, some of us buy a wig and some of us just stay bald.
我们全部会在生命中的某个时期经历脱发这种事，有些人会去买假发，有些人则会留个光头。
This is the last time I'll ever ask you to do anything for me.
这是我最后一次要求你为我做事情。
It's going too far.
太离谱了。