chert

基本解釋

• n. [巖] 燧石；黑矽石；角巖
• n. (Chert)人名；(羅)凱爾特

同根派生

• chert相關(guān)詞

英漢例句

雙語例句

• Thus we can better understand the deformation of chert in a highly fluid form.
  這樣我們就能更好地理解燧石在高度流躰狀態(tài)時的變形情況。
• The Anasazi made arrowheads by chipping away at pieces of glassy obsidian (black) and chert (grey and red) until they became sharp.
  古阿納薩齊人通過細(xì)細(xì)地打磨黑曜石和黑矽石使它們變的鋒利，最後制作出箭頭來。
• 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.
  燧石結(jié)核是華南地區(qū)二曡紀(jì)棲霞組的重要識別特征之一，其成因具重要的古地理、古海洋意義。
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權(quán)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

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詞組短語

短語

• chert clause [經(jīng)]燧石條款
• diatomaceous chert 矽藻燧石
• oolicastic chert 空鮞狀燧石
• bone chert [巖]骨狀燧石;骨燧石
• chert bit 鑽矽質(zhì)石灰?guī)r用的鑽頭

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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)

• chert劍橋字典
• chert柯林斯字典

專業(yè)釋義

地球科學(xué)

• 矽質(zhì)巖

  The strata were metamorphised at a low grade and some radiolarian chert beds areintercateted in the upper and middle parts.
  2.該套地層爲(wèi)一套淺變質(zhì)巖系,中上部夾放射蟲矽質(zhì)巖。

• 燧石
• 角巖
• 燧石巖

經(jīng)濟(jì)學(xué)

• 隧石