chert

基本解释

• n. [岩] 燧石；黑硅石；角岩
• n. (Chert)人名；(罗)凯尔特

同根派生

英汉例句

双语例句

• Thus we can better understand the deformation of chert in a highly fluid form.
  这样我们就能更好地理解燧石在高度流体状态时的变形情况。
• The Anasazi made arrowheads by chipping away at pieces of glassy obsidian (black) and chert (grey and red) until they became sharp.
  古阿纳萨齐人通过细细地打磨黑曜石和黑硅石使它们变的锋利，最后制作出箭头来。
• The Middle Permian Chihsia Formation of South China is featured by nodular chert, which is of implications in the reconstruction of coeval paleogeography and paleoceanography.
  燧石结核是华南地区二叠纪栖霞组的重要识别特征之一，其成因具重要的古地理、古海洋意义。
  dictall.com

权威例句

• When he shone a light up through it, he could see fine-grained particles of silica, known as chert, mixed in with what looked like coal.
  NEWYORKER: The Martian Chroniclers

词组短语

短语

• chert clause [经]燧石条款
• diatomaceous chert 硅藻燧石
• oolicastic chert 空鲕状燧石
• bone chert [岩]骨状燧石;骨燧石
• chert bit 钻硅质石灰岩用的钻头

英英字典

柯林斯英英字典

• a microcrystalline form of silica usually occurring as bands or layers of pebbles in sedimentary rock. Formula: SiO2. Varieties include flint, lyddite (Lydian stone) (Also called hornstone)

专业释义

地球科学

• 硅质岩

  The strata were metamorphised at a low grade and some radiolarian chert beds areintercateted in the upper and middle parts.
  2.该套地层为一套浅变质岩系,中上部夹放射虫硅质岩。

• 燧石
• 角岩
• 燧石岩

经济学

• 隧石