Auger drill
01
螺旋钻头, 麻花钻
a drill bit with a spiral-shaped blade used for drilling deep holes in wood, soil, or other soft materials
例子
The worker used an auger drill to make holes for the fence posts in the garden.
工人使用了一个螺旋钻在花园里为篱笆柱子钻孔。
To install the new tree saplings, the farmer relied on an auger drill to create deep holes in the ground.
为了种植新的树苗，农民依靠螺旋钻在地面上钻出深孔。
