Gravel Gertie

短语

词形变化

Gravel Gerties 复数 Gravel Gerties

释义与例句

n.
  1. 1.

    A chamber, with a roof covered by a deep pile of gravel, within which nuclear warheads may be maintained; in the event of a (non-nuclear) explosion, the roof is weakened and the gravel falls and prevents the escape of nuclear material

词源

From a character in the Dick Tracy comic strip.

来源：wiktionary