emery
noun [ U ] uk/ˈem.ər.i/ us/ˈem.ɚ.i/
（通常指用于打磨的粉末状）刚玉，金刚砂
a very hard, dark grey substance, usually in the form of a powder, that is used to smooth or shape things
| 单词 | emery |
| 释义 | emery noun [ U ] uk/ˈem.ər.i/ us/ˈem.ɚ.i/ （通常指用于打磨的粉末状）刚玉，金刚砂 a very hard, dark grey substance, usually in the form of a powder, that is used to smooth or shape things |
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