单词	polymict
释义	polymict /ˈpɒlɪmɪkt / adjective Geology (Of a conglomerate) consisting of fragments of several different rock types: polymict eucrites... Most bodies consist of monomict gabbro breccia resting directly on polymict conglomerate. The Psammite Zone is characterized by metamorphosed feldspathic arenites with some shales, lithic arenites and rare polymict conglomerates. They consist of unconsolidated polymict breccias with angular fragments up to 2 m in diameter, within a sandy matrix, which shows poorly developed flow-parallel bedding. Origin 1950s: from poly- 'much' + Greek miktos 'mixed'.
随便看	Trachodon trachodont trachoma trachomatous trachyte trachytic tracing tracing paper track trackage track and field trackback trackball trackbed track circuit tracker tracker ball tracker dog track events trackie trackie daks tracking tracking station tracklayer tracklement

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。