🗣️ 情景例句
When do you need the volunteers,
你们什么时候需要义工
I want to make a long distance phone call.
我是想打个长途电话。
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。