基本解釋n.小禮帽同根派生 billycock相關詞詞組短語短語Backbiter 's Billycock 圓頂氈帽billycock更多詞組英英字典柯林斯英英字典 any of several round-crowned brimmed hats of felt, such as the bowler billycock劍橋字典billycock柯林斯字典