Dìzhìxuéjiā / tōngguò / zuāntàn / yàngběn / pínggū / hányóuyán / de / chǔliàng / hé / kāicǎi / jiàzhí

地质学家通过钻探样本，评估含油岩的储量和开采价值。

Geologists assess the reserves and extraction value of oil-bearing rock through drilling samples.