单词：iron-gray
s of the grey color of iron
iron-gray的用法和样例：
词汇搭配
- gray pig iron灰口生铁,灰生铁,灰...
- gray iron灰铸铁
- iron gray铁青
- gray cast iron灰铸铁,灰口铁...
- iron-grey铁灰色的
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