
好词典

源自中古英语 'schale',可能与古英语 'scealu'(壳、薄片)有关,反映了页岩的薄层状结构。
❶ 页岩是一种由黏土矿物组成的沉积岩,具有薄层状结构,常见于地质构造中,常用于建筑材料和石油开采。
“The geologist found layers of shale in the riverbed.”
(地质学家在河床中发现了页岩层。)
“Shale is often used in the production of bricks and tiles.”
(页岩常用于生产砖和瓦片。)
shale gas — 页岩气,指储存在页岩地层中的天然气,需要通过水力压裂等技术开采。
“The country is investing heavily in shale gas exploration.”
(该国正在大力投资页岩气勘探。)
shale oil — 页岩油,指从页岩中提取的石油,通常需要通过特殊技术加工。
“Shale oil production has increased significantly in recent years.”
(近年来页岩油产量大幅增加。)