Regrindability
磨锐性
🗣️ 情景例句
Just the regular.
平信就好了。
I'm not myself today.
我今天心神不宁。
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。