词族 · chert
词形变化
英语词源
- chert (n.)
- "flint-like quartz," 1670s, of unknown origin. Apparently "a local term, which has been taken into geological use" [OED].
权威例句
- 1. 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.
- 2. 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.
- 3. 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.
- 4. Chert with good abrasion the major content in conglomerate and diamonds are contained in it generally.
- 砾岩主要砾石成分为燧石,磨圆度较好,普遍含金刚石.
- 5. 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.