| 例句 |
We hope that an in situ process can be worked out for shale.我们希望能设计出就地提炼油页岩的工艺方法。They argued that the extraction of shale gas by fracking would cause huge environmental damage.他们论证到，采用水力压裂法抽取页岩气将对环境造成巨大破坏。The cliffs are characterized by remarkable zigzagging strata of shale and sandstone.这些悬崖的特征是它们由一层层清晰易辨的页岩、石灰岩和砂岩交错构成。The fossils lie embedded in a matrix of shale and sandstone.化石牢牢嵌在页岩与砂岩形成的脉石中。 |