sharpeningwhet磨: mill; millstones锐: sharp; keen; acute磨锐角: taper angle磨锐性: regrindability再磨锐: nachschrfen resharpen dress re-grind; resharpen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:磨锐,即可在微信中查询翻译