请输入您要查询的英文单词：
单词
ironstone
释义
ironstone
NOUN
U
/ˈaɪənˌstəʊn/
1
a type of hard stone that contains a lot of iron 铁矿石
2
strong hard plates, cups, bowls etc made of a type of white clay 硬质陶器；坚质陶器