undercrust

发音

US

词形变化

undercrusts 复数 undercrusts

释义与例句

n.
  1. 1.

    A crust that forms the bottom of a pie, tart or other dish; a layer of pastry that supports the filling.

    烹饪
  2. 2.

    The layer of material located beneath the crust of a planet or moon.

词源

under- + crust

来源：wiktionary