基本解释n.小禮帽同根派生 billycock相关词词组短语短語Backbiter 's Billycock 圓頂氈帽billycock更多词组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剑桥字典billycock柯林斯字典