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词汇 gneiss
释义

gneiss

noun
/naɪs/
/naɪs/
[uncountable] (geology地质学)
  1. a type of metamorphic rock formed at high pressure and temperature deep in the ground片麻岩(地层深处在高压高温下形成的变质岩)
    词源mid 18th cent.: from German, from Old High German gneisto ‘spark’ (because of the rock's sheen).
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