| 单词 | 岩石层 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔bedding〕Geology Stratification of rocks into beds.【地质学】 层理：岩石层理形成地层美国传统〔dip〕Geology To lie at an angle to the horizontal plane, as a rock stratum or vein.【地质学】 下沉：从地平线下降，如岩石层或岩脉美国传统〔foliation〕Geology The layered structure common to metamorphic rocks.【地质学】 叶理：象变质岩一样的岩石层状结构美国传统〔lithostratigraphy〕Stratigraphy based on the physical and petrographic properties of rocks.岩石层位学：以岩石的物理和岩相性质为基础的地层学美国传统〔mylonite〕A fine-grained laminated rock formed by the shifting of rock layers along faults.糜棱岩：由岩石层沿断层转移而形成纹理细密的叠层岩美国传统〔pediment〕Geology A broad, gently sloping rock surface at the base of a steeper slope, often covered with alluvium, formed primarily by erosion.【地质学】 山前侵蚀平原，麓原：一种由侵蚀引起的在另一陡的倾斜底面上的宽而缓缓倾斜的岩石层面，其上通常覆盖着冲积土美国传统〔rock〕We had to dig down through a twelve-inch layer of rock.我们得挖透12英寸厚的岩石层。麦克米伦高阶〔syncline〕A fold in rocks in which the rock layers dip inward from both sides toward the axis.向斜：岩石层从两侧向中轴倾斜的岩石中的褶皱美国传统〔unconformity〕Geology A surface of erosion between rock layers of different ages indicating that deposition was not continuous.【地质学】 不整合面：位于不同地质年代的岩石层之间显示沉积作用非连续性的侵蚀面美国传统 |
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