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- To form bends in(a stratum of rock. 地层褶曲（在地层的岩石上）形成弯曲
- To form bends in(a stratum of rock). 地层褶曲（在地层的岩石上）形成弯曲
- A bendin a stratum of rock. 地层折曲岩石地层的褶曲。
- A bend in a stratum of rock. 地层折曲岩石地层的褶曲
- In digging the well, the men struck first a stratum of sand, then several strata of rock. 在挖井时，他们先挖掘到一层砂，之后是几层石头。
- (geology) a stratum of rock (especially sedimentary rock). 由岩石，尤其是水成岩组成的地层。
- a stratum of rock 岩层
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- The mountain rise up in a steep wall of rock. 这座山高而陡，形成一道岩石屏障。
- The mountain rose up in a steep wall of rock. 这座山高而陡，形成一道岩石屏障。
- The new economy also breeds a stratum of middle class who has the spending power and desire. 新经济也造就了一批中产阶级,他们有消费能力,也有消费欲望。
- A spur of rock stuck out from the mountain. 山背上突起一个石脊。
- Tramps are in a low stratum of society. 流浪汉生活在社会的下层。
- He managed to hang on to a piece of rock protruding from the cliff. 他设法抓住了悬崖上向外伸出的岩石。
- A fall of rocks blocked the road. 掉落的岩石把路封住了。
- This is a stratum we must win over. 这一阶层，我们是必须争取的。
- During the earth tremor a large piece of rock chopped out of the ground. 在一阵轻微的地震中，一大块岩石突然从地下露出地面。
- We finally got at a ledge of rock near the summit. 我们最后到达了靠近峰顶的一块突出的岩崖。
- Tramps are from the lowest stratum of society. 流浪汉来自社会最下层。
- He managed to hang on to a piece of rock protruding from the cliff face. 他设法抓住悬崖表面向外伸出的岩石。
