tapping screw

例句：

1. 1. The car needs to be tightened up before we drive it.
   在开车之前，这辆车需要拧紧。
2. 2.He used a screwdriver to tighten the bolts on the door.
   他用螺丝刀拧紧了门上的螺栓。
3. 3.The engineer needed to tap the screws into place before starting the machine.
   工程师需要将螺丝拧紧后才能启动机器。