Geode
['dʒiːəʊd]
解释:
(noun.) (mineralogy) a hollow rock or nodule with the cavity usually lined with crystals.
校对:帕蒂--From WordNet
解释:
(n.) A nodule of stone, containing a cavity, lined with crystals or mineral matter.
(n.) The cavity in such a nodule.
整理:韦尔登
解释:
n. (min.) a rounded nodule of stone with a hollow interior.—adj. Geodif′erous bearing or producing geodes.
汉克整理