英语词汇“black shales”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	black shales
释义	black shales 基本例句黑色页岩 The conodonts studied in this paper were collected from theblack shalesofthe Llanvirnian Upper Ningguo Formation.本文研究了江西武宁奥陶系宁国组上部黑色页岩中的牙形刺。
随便看	Mixed Dysarthria Mixed Dysarthrias mixed dyslipidemia mixed dyspnea mixed economic mixed economies mixed economy mixed economy combined market and planning mixed-economy welfare-state mixed ecosystem mixed edges mixed editing mixed-effect mixed effect design mixed-effect design mixed effect model mixed-effect model mixed effects mixed-effects mixed effects model mixed-effects model mixed effects models mixed effluent mixed ejection and regurgitating murmur mixed electrode