Augering
钻采机回采[开采], (螺旋)钻采法
🗣️ 情景例句
How true!
千真万确。
Sorry to bother you.
抱歉打扰你。
and another 700 for the survivors to be reduced by half again.
剩下的一半人再过700年，才会又减少一半。