单词：nacreous 

形容词

• 
  [1.a.nacreous] (同义词:[nacreous( adj. 真珠质的, 有光彩的 )]  )
• 
  注释列句：consisting of or resembling mother-of-pearl
• 派生词 -> [nacre( n. 珠母贝, 真珠质 )] 
  属于名词 -> [nacre( n. 珠母贝, 真珠质 )] 
  
• 
  [2.a.nacreous] (同义词:[iridescent( adj. 彩虹色的, 闪光的 )]  [nacreous( adj. 真珠质的, 有光彩的 )]  [opalescent( adj. 乳白色的 )]  [opaline( adj. 蛋白石状的 n. 乳白玻璃, 乳白色 )]  [pearlescent( adj. 光芒四射的, 珍珠般的 )]  )
• 
  注释列句：having a play of lustrous rainbow colors; "an iridescent oil slick"; "nacreous (or pearlescent) clouds looking like mother-of-pearl"; "a milky opalescent (or opaline) luster"
• 近义词 -> [bright( adj. 明亮的, 辉煌的, 欢快的, 聪明的, 伶俐的 )]