英语词汇“biogenic 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	biogenic chert
释义	biogenic chert biogenic chert [¦bī·ō¦jen·ik ′chərt] (petrology) Chert derived from the tests of pelagic silica-secreting organisms, particularly diatoms and radiolarians.
随便看	roving roving artillery roving commission roving eye roving-eye roving eyes roving-eyes roving frame roving gun roving guns rovingly rovingness roving reporter rovings rovinj rovinskii, dmitrii rovinskii, dmitrii aleksandrovich rovinskii, pavel rovinskii, pavel apollonovich rovisp rovl rovm rovnite rovno rovnoe

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