| 单词 | turtle-stone |
| 释义 | > as lemmasturtle-stone turtle-stone n. = septarium n. (from the markings on section resembling those of a tortoiseshell). ΘΚΠ the world > the earth > structure of the earth > constituent materials > stone > a stone > [noun] > concretionary or nodular > septarium septarium1748 turtle-stone1851 beetle-stone1859 cement-stone1863 1851 H. T. De la Beche Geol. Observer 687 Those commonly known as septaria and turtle stones. 1859 R. Hunt Guide Mus. Pract. Geol. (ed. 2) 32 Good specimens of septaria or turtle stone from the Oxford clay. < 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。