1660s, from Latin igneus "of fire, fiery," from ignis "fire," from PIE *egni- "fire" (cognates: Sanskrit agnih "fire, sacrificial fire," Old Church Slavonic ogni, Lithuanian ugnis "fire").
实用例句
1. The most common intrusive in the order of igneous rocks is granite.
在火成岩系列中最常见的侵入体是花岗岩.
来自辞典例句
2. Igneous rocks do not contain fossils.
火成岩不含化石.
来自辞典例句
3. The intrusion sequence for igneous rocks is indicated by crosscutting and inclusion relationships.
火成岩的归入顺序由切割和包含关系来表示.
来自辞典例句
4. The rocks here are igneous and do not fracture along predictable lines.
这儿的石头都是火成岩,石头的裂缝极不规则.
来自互联网
5. Thus the intrusive igneous rocks usually have a coarse texture.
