某些软体动物贝壳内坚硬的珍珠质内层；珍珠母。
某些软体动物贝壳内坚硬的珍珠质内层；珍珠母。
The hard pearly inner layer of certain mollusk shells; nacre.
软体动物贝壳内壁的虹彩层
the iridescent internal layer of a mollusk shell
Salamis 属的一种蝴蝶。
A butterfly of the genus Salamis.
Patania ruralis 种的一种蝴蝶。
A butterfly of the species Patania ruralis.
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