资料来源 : pyDict

席状交代矿床; 平卧状矿床; 矿层

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

Manto \Man"to\, n. [It. or Sp. manto, abbrev., from L. mantelum.
   See {Mantle}.]
   See {Manteau}. [Obs.] --Bailey.