英语词汇“protoquartzite”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	protoquartzite
释义	protoquartzite protoquartzite [¦prōd·ō′kwȯrt‚sīt] (petrology) A well-sorted sandstone that is intermediate in composition between subgraywacke and orthoquartzite, consisting of 75-95% quartz and chert, with less than 15% detrital clay matrix and 5-25% unstable materials in which there is a greater abundance of rock fragments than feldspar grains. Also known as quartzose subgraywacke.
随便看	prune dwarf virus prune (fruit) prune it away prune it of prune it off prune juice prune juice discharge prune-juice expectoration prune juice sputum prune-juice sputum prunella prunella (bird) prunella modularis prunella (plant) prunellas prunella salt prunella vulgaris prunelle prunellidae prunello prune of prune off prune off from pruner pruners

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。