chert的例句（chert在句子中的用法）

• Carbonate rocks are predominantly composed of intra - clastic dolostone, chert dolostone and sand - bearing dolostone. 碳酸盐岩以内碎屑白云岩 、 燧石白云儿和含砂白云岩为主.
• Paleontologists know chert as a good place to look for fossils. 古生物学者知道黑矽石同样的好地方去观看化石.
• The sediments in this photo curve near the ends of chert pods. 这沉淀物在这幅图片的曲线近似冷凝物的黑矽石的扁豆形矿体.
• 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.