Top-Hat rail顶帽式导轨
Top -Hat transform顶帽变换
top-hat高帽变换
top-hat policy超额养老金
top p hat高顶丝质礼帽;礼帽;大礼帽;高顶礼帽
top-hat factor平顶因子
One top blue hat一顶兰色的帽子
N-COUNT（可数名词） A top hat is a man's tall hat with a narrow brim. Top hats are considered old-fashioned now, but are sometimes worn by dancers and performers. 高顶礼帽