fly-headed screw

例句：

1. 1. The car was fixed with a fly-headed screw.
   这辆车是用一个飞头螺丝固定好的。
2. 2.He tightened the screw with a screwdriver.
   他用螺丝刀拧紧了螺丝。
3. 3.The door was held together with a few fly-headed screws.
   门是用几个飞头螺丝固定在一起的。