Delmarva
美国 Delaware, Maryland, Virginia 三州的总称
🗣️ 情景例句
Would you like to get married?
你想结婚吗？
How lucky we are!
我们多么幸运啊！
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。