petroleum shale的用法和样例：
例句
- North America has vast deposits of shale.
北美有大量油页岩沉积。 - And where there is shale there is likely to be oil.
而哪儿有油页岩，哪儿就可能有石油。
petroleum shale的相关资料：
临近单词
petroleum wax
petroleum
petroleum geologic conditions
petroleum-coke water slurry
petroleum accumulation system
petroleum fermented polyamide
petroleum resource assessment
Petroleum pool-forming time
petroleum development geology
petroleum-degrading strains
petroleum accumulation period
petroleum produced wastewater
