screw composing-stick

例句：

1. 1. The screws on the door need to be tightened.
   门上的螺丝需要拧紧。
2. 2. He used a screwdriver to remove the screws.
   他用螺丝刀卸下了螺丝。
3. 3. The fastener holds the two pieces of wood together.
   这个紧固件将两块木头固定在一起。