emery
🇺🇸
/ˈeməri/
🇬🇧
/ˈeməri/
A rough, dark-colored mineral used to smooth rough surfaces.
He used emery paper to smooth the rough edges of the wooden sculpture.
他用铝土矿纸修整木雕的粗糙边缘。
A substance like emery, used to clean and polish metal or glass.
She applied emery to the tarnished silver to restore its shine.
她用铝土矿使失去光泽的银器恢复光亮。