crow1/kro; krəʊ/n 1 [C] a large black bird that makes a loud sound 乌鸦 2 as the crow flies used to describe the distance between two places when measured in a straight line〔两地距离〕直线地﹐笔直地
crow2v [I] 1 if a COCK (=male chicken) crows, it makes a loud sound〔公鸡〕啼叫 2 to talk very proudly about yourself or your achievements 得意洋洋地说: +about/over She keeps crowing about her exam results. 她老是吹嘘自己的考试成绩。