chert
美[tʃɜːt] 英[tʃɜːt]
n. 黑矽石；角岩；燧石
英英释义
Noun- variety of silica containing microcrystalline quartz
例句
用作名词(n.)- Paleontologists know chert as a good place to look for fossils.古生物学家以黑硅石为化石采集地点的标志。
- 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。
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