dìzhìxuéjiā / zhèngzài / pínggū / zhè / piàn / yóu / yè / yán / de / chǔliàng / hé / kāicǎi / chéngběn地质学家正在评估这片油页岩的储量和开采成本。Geologists are assessing the reserves and extraction costs of the oil shale in this area.