Michigan
其它 Othern. 密歇根州
✅ 同义词
🗣️ 情景例句
Can I help?
我能帮你吗？
What can I do for you?
我能为您做些什么？
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。