drills的中文意思、音标与词形变化

n. 操练；斜纹布；钻头（drill的复数）

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 systematic training by multiple repetitions n (military) the training of soldiers to march (as in ceremonial parades) or to perform the manual of arms v make a hole, especially with a pointed power or hand tool v train in the military, e.g., in the use of weapons v learn by repetition v teach by repetition v undergo military training or do military exercises