ceremonial       
 adjective uk/ˌser.ɪˈməʊ.ni.əl/ us/ˌser.ɪˈmoʊ.ni.əl/
B1 仪式的,礼节的
related to, used in, or involving a ceremony (= a fixed set of formal acts performed on important social or religious occasions)
  A Marine honour guard flanks the president during ceremonial events at the White House. 在白宫举行的仪式性活动中,一支海军陆战队仪仗队站在总统的两侧。 
 The men were dressed in ceremonial black robes. 男人们穿着庄重的黑色长袍。 
 Compare: ceremonious
 - More examples
 - The exhibition consists of more than 400 religious artifacts and ceremonial objects.
 - The queen, in full ceremonial dress, presided over the ceremony.
 - There was a ceremonial presentation of the keys to the new library.
 - The appointments are purely ceremonial, and the positions do not carry any real political power.
 
ceremonial       
noun [ C or U ]  formal uk/ˌser.ɪˈməʊ.ni.əl/ us/ˌser.ɪˈmoʊ.ni.əl/
 仪式,典礼,礼节
(a set of) formal acts, often fixed and traditional, performed on important social or religious occasions
  Westminster Abbey is used for ceremonials. 威斯敏斯特教堂被用于举行仪式。 
 Mounted troopers perform a spectacular piece of ceremonial. 骑兵进行了一场精彩的仪式表演。 
 Synonym: ceremony
 - More examples
 - There is no code of duty in the New Testament, no ceremonial.
 - These ancient people developed pottery and basketry, and elaborate ceremonials.
 - In ceremonials and externals the Elizabethan church retained many features which closely resembled those of the Catholic church.