英语词汇“petrographic period”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	petrographic period
释义	petrographic period petrographic period [¦pe·trə¦graf·ik ′pir·ē·əd] (geology) The extension in time of a rock association.
随便看	dm dm02 dm1 dm2 dm3 dm3p dm5 dm7 dma dma2k dma-33 dma-66 dmaa dmaac dma acknowledge dmaar dma automated distribution management system dma automated publication production system dmab dmabn d-mac d.mac dmac dmacc dmack

英语词典包含2567994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。