Geology. A set of (esp. ore-bearing) strata with a C- or S-shaped vertical cross-section. Frequently attributive. Cf. roll, n.2 10a.
| 单词 | θ6332 |
| 释义 | the world > the earth > minerals > mineral deposits > [noun] > roll (1) roll1883 Geology. A set of (esp. ore-bearing) strata with a C- or S-shaped vertical cross-section. Frequently attributive. Cf. roll, n.2 10a. |
| 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。