screw-driver bit

例句：

1. 1. He used a screwdriver to remove the screws from the wall.
   他用螺丝刀从墙上拆下螺丝。
2. 2.The screwdriver bit was too small to fit into the socket.
   螺丝刀头太小，无法插入插座。
3. 3. The screwdriver bit was sharp enough to drive the screws in easily.
   螺丝刀头足够锋利，可以轻松地将螺丝拧紧。