英语词汇“keratin”的读音、翻译、释义、用法及例句-初旭网

词汇	keratin
释义	ker.a.tin[`kɛrətɪn; ˈkerətin]不可数名词 ‘化学’角质素 (含于指甲、毛发、角、羽毛、蹄等的一种硬蛋白质)
随便看	line of defense line of departure line of duty line officer line of fire line of force line of Health line of induction line of Intuction line of least resistance line of march line of scrimmage line of sight line of site line of succession line of supply line of the sun line of travel line printer liner liner liner notes liner train lineshooter lineshooting

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