| 单词 | 石炭纪 |
| 释义 | 〔Carboniferous〕The Carboniferous Period. See table at geologic time 石炭纪，石炭系 参见 geologic time〔Carboniferous〕Of, belonging to, or denoting a geologic division of the Paleozoic Era following the Devonian and preceding the Permian, including the Mississippian Period and the Pennsylvanian Period and characterized, especially in the Pennsylvanian, by swamp formation and deposition of plant remains later hardened into coal.石炭纪的，石炭系的：属于或表示地质上的一个分段，即紧跟着泥盆纪而早于二叠纪的古生代，包括密西西比纪和宾夕法尼亚纪。古生代的特征，尤其在宾夕法尼亚纪的特征为，沼泽的形成以及后来变硬而成为煤的植物遗骸沉积〔calamite〕Any of various extinct, chiefly carboniferous trees of the genusCalamites, related to the modern-day herbaceous horsetails (Equisetum). 芦木：一种芦木 属主要生长于石炭纪的、现已灭绝的树木，与现代的草本马尾草 （芦木属） 有一定联系 〔Devonian〕Of, belonging to, or designating the geologic time, system of rocks, or sedimentary deposits of the fourth period of the Paleozoic Era, after the Silurian and before the Mississippian or Carboniferous Period, and characterized by the appearance of forests and amphibians. See table at geologic time 泥盆纪的：归入古生代第四纪的地质时期的岩石系统或沉积矿床泥盆纪。处于志留记之后，密西西比纪或石炭纪之前，森林和两栖类的出现是其特征 参见 geologic time〔cotylosaur〕Any of an extinct order (Cotylosauria) of massive primitive reptiles of the Carboniferous and Permian periods that included the ancestors of all of the reptiles. Also called root reptile Also called stem reptile 杯龙类：任何大的原始爬虫类（杯龙类）的已灭绝种类之一，属于包含所有爬虫类的祖先的石炭纪和二迭纪时代 也作 root reptile 也作 stem reptile |
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