挖土机

• navvy
• rooter
• suction dredge
• power shavel
• power navvy
• digging macnine
• excavator

例句

1. 我们今天用小型挖土机所干的活，若是用镐和铲子，十几个人得花四个月才能完成。
   It would have taken a dozen men with picks and shovels four months to do what we've done today, with this comparatively small earth-moving machine.