| 单词 | gem-bed |
| 释义 | > as lemmasgem-bed gem-bed n. (see quot.). ΘΚΠ the world > the earth > minerals > mineral sources > [noun] > strata containing minerals fuller's eartha1350 fulling eartha1399 fulling clay1647 second bottom1787 iron pan1811 ledge1847 blue lead1854 oil shale1866 oil sand1875 Cambridge coprolite1881 Cambridge greensand1882 gem-bed1886 1886 Daily News 28 Dec. 5/4 The ‘gem-bed’, as it is called, or strata in which the rubies are found, varies considerably at different points in its depth. < as lemmas |
| 随便看 |
英语词典包含1132095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。