abrad·ant /əˈbredṇt/ 名詞
磨擦的,磨擦劑,擦除的,擦破的,研磨用的,剝落的
Ab·ra·dant n. A material used for grinding, as emery, sand, powdered glass, etc.
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abradant
n 1: a substance that abrades or wears down [syn: abrasive, abrasive
material]
2: a tool or machine used for wearing down or smoothing or
polishing [syn: abrader]