| 单词 | carboniferous |
| 释义 | carboniferous adj. & n. --adj 1. producing coal. 2. (Carboniferous) Geol. of or relating to the fifth period in the Palaeozoic era, with evidence of the first reptiles and extensive coal-forming swamp forests. Usage Cf. Appendix II. --n (Carboniferous) Geol. this period or system. |
| 随便看 |
英语词典包含43808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。