单词 | chert |
例句 | DEFINITIVE EXAMPLES 权威例句〔taconite〕A variety of chert containing magnetite and hematite, mined as an iron ore.铁燧岩:一种含磁铁矿和赤铁矿的燧石,做为一种铁矿石被开采美国传统〔whinstone〕Any of various hard, dark-colored rocks, especially basalt and chert.暗色岩:一种坚硬、暗色的岩石,尤指玄武石及燧石美国传统 |
随便看 |
|
英语例句辞典收录了559068条英语例句在线翻译词条,基本涵盖了全部常用单词及词组的例句翻译及用法,是英语学习的有利工具。