Coelophthalmia
凹眼
🗣️ 情景例句
and how hard it is
他还说这件事很难
Let's get together one of these days.
找一天聚聚。
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。