hone

n. 细磨刀石，v. 磨刀

homing, Homo sapiens, homo-, homoeopath (US homeopath), homoeopathic (US homeopathic), homoeopathy (US homeopathy), homogeneity, homogeneous, homogenization, homogenize, homogenize, homogenise, homogenous, homograph, homonym, homophone, homosexual, homosexuality, homy (US homey), Hon, Hon Sec, honest, honest-to-goodness, honestly, honesty, honey, honey-bee, honeycomb, honeycombed, honeydew, honeydew melon, honeyed, honeymoon, honeymooner, honeysuckle, honk, honky-tonk, honor, honorable, honorarium, honorary,