n. a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows)
n. similar to the mandrill but smaller and less brightly colored
n. (military) the training of soldiers to march (as in ceremonial parades) or to perform the manual of arms
v. train in the military, e.g., in the use of weapons
n. 钻孔机, 钻子, 播种机, 粗斜纹布
v. 训练, 钻孔
1. The teacher asked us to practice the math drill every day.
老师让我们每天练习数学 drills。
2. We need to drill a hole in the wall to hang the picture.
我们需要在墙上打个孔来挂画。
3. The fire drill helped us learn how to exit the building safely.
火灾演习帮助我们学习如何安全地退出建筑物。