0 to make (a hole) with a drill -- เจาะ
1 (of soldiers etc) to exercise or be exercised -- ฝึกฝน
The soldiers drilled every morning.
2 a tool for making holes -- สว่าน
Arsenal students were also drilled in the 8-legged essay at the same time that mathematics was given high priority.
The main application of the robot is for drilling operation of aluminum parts.
At its worst, the method involved mindless repetition and meaningless drills, with unmotivated learners interacting with teaching machines using far from authentic materials.
In our protocol, the zona pellucida is laser drilled (8-10 ms laser irradiation) to allow herniation of the trophectoderm after culture.
In some households, electric drills and electric saws were added to the basic range of tools.
The ability to produce 5 mm laser drilled holes has been demonstrated.
Regular fire drills, for example, are meant to inscribe a script in people's memories, which is expected to unroll relatively automatically in an emergency situation.
In most cases these holes were drilled bilaterally.
