基本解释n.灰鲸；黑头鸦；(美国南北战争时)南部联邦的士兵=greyback.同根派生 grayback相关词词组短语短语grayback post 含硫砂岩grayback更多词组英英字典柯林斯英英字典 any of various animals having a grey back, such as the grey whale and the hooded crow grayback剑桥字典grayback柯林斯字典