英语词汇“pinhole chert”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pinhole chert
释义	pinhole chert pinhole chert [′pin‚hōl ′chərt] (petrology) Chert containing weathered pebbles which are pierced by minute holes or pores.
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