Retrosection
纽形剖线
🗣️ 情景例句
Please forgive me.
请原谅我。
As this is a special offer, we hope you won't miss this opportunity.
因这是特殊报价，希望您不要错失良机。
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。