sandhog
n. 隧道挖掘工人
例句
A subway construction worker, known as a "sandhog" exits the tunnel boring machine in the northbound tunnel of the Second Avenue subway construction project, Thursday, April 7, 2011 in New York.
2011年4月7日,纽约,被称作“沙狗”的隧道挖掘工人从第二大街地铁建筑工程的北向的隧道的隧道掘进机中走出。