abrasiveKK [əˋbresɪv] /əˈbɹeɪsɪv/發音ab- 離開、脫離+ras 刮、擦+-ive 形容詞→刮掉、磨去的展開收合ab-字首離開、脫離ras字根刮、擦-ive字尾形容詞字面：刮掉、磨去的把表面刮磨掉 → 研磨的；用於態度則指像磨擦般刺人、生硬形容詞1粗暴的、尖銳刺人的、態度生硬的貶義His abrasive manner upset several people at the meeting.他粗暴的態度讓會議上好幾個人不舒服。2粗糙的、有磨損作用的Do not clean the screen with an abrasive cloth.不要用粗糙的布擦拭螢幕。3研磨的、打磨用的Abrasive paper is used to smooth the wooden surface.研磨砂紙用來磨平木頭表面。名詞1研磨料、磨料Sand is a cheap abrasive for polishing metal parts.砂是拋光金屬零件的便宜研磨料。