Contex-free grammar
[电] 上下文自由格式文法
🧩 词语组成解析
n. 康泰克斯（公司名）
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
Are you sending it by regular or by speed?
你要寄平信还是快递？
Promises are like piecrust, made to be broken.
诺言好似馅饼皮，做来便是为咬碎。
Then make the bed.
再把床整理一下。