The geologist studied the layers of shale carefully.
地质学家仔细研究了页岩（shale）的层次。
The river has carved through the shale over centuries.
河流经过几个世纪切割了页岩（shale）。
The shale formations contain rich deposits of oil.
页岩（shale）地层含有丰富的石油储藏。
Farmers often find fossils in the shale deposits.
农民经常在页岩（shale）沉积中发现化石。
The shale cliffs were steep and difficult to climb.
页岩（shale）悬崖陡峭，难以攀登。
They extracted natural gas from the shale beneath the ground.
他们从地下的页岩（shale）中提取天然气。
The shale industry has grown rapidly in recent years.
页岩（shale）产业近年来迅速发展。
Some artists use shale to create unique sculptures.
一些艺术家用页岩（shale）创作独特的雕塑。
The road was slippery due to the loose shale gravel.
由于松散的页岩（shale）砾石，路面很滑。
The shale gas revolution has changed energy markets globally.
页岩（shale）气革命改变了全球能源市场。
shale oil 页岩油
shale formation 页岩地层
shale reservoir 页岩储层
shale play 页岩层系
shale rock 页岩岩石
shale exploration 页岩勘探
复数: shales;
形容词: shaly;
