锥口钻

例句：

1. 1. He used a screwdriver to unscrew the door.
   他用螺丝刀把门拧开了。
2. 2. The drill bit is too small for this job.
   这个工作需要的钻头太小了。
3. 3. The screwdriver helped him fix the broken window.
   螺丝刀帮助他修好了破碎的窗户。