资料来源 : Webster's Revised Unabridged Dictionary (1913)

Grysbok \Grys"bok\n. [D. grijs gray + bok buck.] (Zo["o]l.)
   A small South African antelope ({Neotragus melanotis}). It is
   speckled with gray and chestnut, above; the under parts are
   reddish fawn.