thunderegg

雷公蛋石

词形变化

thundereggs 复数 thundereggs

别名

thunder egg

释义与例句

n.
  1. 1.

    A roughly spherical, nodule-like geological structure, similar to a geode, that is formed within a rhyolitic lava flow.

    雷公蛋石

词源

From thunder + egg.

来源：wiktionary