Subdispatch
[计] 区域调度
🗣️ 情景例句
I want to send this letter to China, by air mail.
我想把这封信航空邮到中国。
No wonder!
这也难怪！
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。