excavate - v. 挖,挖开,凿通;

• Working in groups of three, the miners used small blasts of dynamite to excavate a channel down to the entombed men.
• Alternatively, explosions create cavities, for example, as bombs excavate bomb craters.
• Of all these writers, the one who probably then excavated in the masses the most unhealthy gallery was Restif de La Bretonne.