ironstone
/'aɪənstəʊn/ /'aɪərnstoʊn/
n. 
矿石
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hyalase, Hyalellidae, hyalescence, hyalescent, hyalin, hyaline, hyaline cartilage, hyaline-quartz, hyalinization, hyalinize,
相似单词
ironsand, Ironside, ironsides, iron-skutterudite, ironsmith, ironstone, iron-stone, iron-triangle, ironware, ironweed,