单词	ultramafic
释义	ultramafic adjective ul·​tra·​maf·​ic ˌəl-trə-ˈma-fik  : ultrabasic Example Sentences Recent Examples on the Web Quarrying, crushing, and grinding ultramafic rocks would cost only about $10 per ton of CO2 absorbed, Wilson and her team estimate. Robert F. Service, Science | AAAS, 3 Sep. 2020 Wilson and her colleagues sprayed the mine’s ultramafic rock tailings with dilute sulfuric acid, causing magnesium to leach out. Robert F. Service, Science | AAAS, 3 Sep. 2020 Word History First Known Use 1933, in the meaning defined above
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英语词典包含469781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。