grit粗砂: grouan; coarse sand; flinty ...研磨: grind; pestle abrade; polish粗砂: grouan; coarse sand; flinty ground; arene; open sand研磨: 1.(用工具研成粉末) grind; pestle2.(用磨料摩擦器物使变得光洁) abrade; polish粗砂;粗沙: coarse sand下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:粗砂;研磨,即可在微信中查询翻译