柯林斯词典yellow jacket 1. N any of several social wasps of the genus Vespa, having yellow markings on the body 小黄蜂; 大黄蜂[美国英语] 返回 yellow jacket剑桥词典a black and yellow wasp (= a flying insect that stings ) 小黄蜂（一种体黑且带鲜黄色条纹的小蜂） 返回 yellow jacket