self-sharpening tooth自: self; oneself; one's own锐: sharp; keen; acute齿: tooth锐齿: sawtooth; sharmouth; sharp teeth自锐的: self-sharpening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:自锐齿，即可在微信中查询翻译
