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单词 black helmet
释义

Definition of black helmet in English:

black helmet

noun
  • A Caribbean helmet shell of the genus Cassis, especially the king helmet (C. tuberosa) and the queen helmet (C. madagascariensis), both used in making shell cameos.

Origin

Mid 19th century; earliest use found in The Daily News.

 
 

Definition of black helmet in US English:

black helmet

noun
  • A Caribbean helmet shell of the genus Cassis, especially the king helmet (C. tuberosa) and the queen helmet (C. madagascariensis), both used in making shell cameos.

Origin

Mid 19th century; earliest use found in The Daily News.

 
 
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更新时间:2024/11/11 3:51:24