Constraint matrix
[计] 约束矩阵
🧩 词语组成解析
🗣️ 情景例句
Your letter filled me with great vitality.
读了你的信之后我感到充满活力。
After dinner sit awhile,after supper walk a mile.
正餐以后，休息片刻；晚餐以后，步行一哩。
American country music. He writes most of his songs himself.
美国乡村音乐。他演唱的歌曲，多数是由他自己写的。