drill的中文意思、音标与词形变化

n. 钻孔机, 钻子, 播种机, 粗斜纹布 v. 训练, 钻孔

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