Petrox
石油氧化物
🗣️ 情景例句
Six words.
有六个字。
I will be shopping in New York in June.
我将在六月份在纽约购物。
and the search for oil has done more to improve deep drilling than any other mining activity.
寻找石油比其他任何采矿业对改进深孔钻探作的贡献都要大。