基本解釋n.灰鯨；黑頭鴉；(美國南北戰(zhàn)爭時)南部聯(lián)邦的士兵=greyback.同根派生 grayback相關(guān)詞詞組短語短語grayback post 含硫砂巖grayback更多詞組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劍橋字典grayback柯林斯字典