单词	go scot free (或 scot-free)
释义	见:go scot free (或 scot-free)
随便看	quadratic curve -- quadric curve quadratic curve ; quadric curve quadratic damping quadratic differential form quadratic discriminant function quadratic divergence quadratic dual problem quadratic element quadraticephalus quadratic equation quadratic equations (algebra: equation of the 2th. degree) quadratic error function quadratic estimator quadratic exponential model quadratic expression quadratic expression (algebra: an expression of the 2th. degree) quadratic extension quadratic factor quadratic factoring method quadratic field quadratic form quadratic form in normal variable quadratic form -- quadric form quadratic form ; quadric form quadratic formula