dormant screw

例句：

1. 1. The old car's engine has a dormant screw that needs to be removed before it can be started.
   这辆旧车引擎有一个需要拔掉的休眠螺丝，才能启动。
2. 2.The engineer found the dormant screw and carefully unscrewed it.
   工程师找到了那个休眠螺丝，并小心地拧开了它。
3. 3. The construction crew had to remove the dormant screw before they could begin work on the new building.
   建筑工人在开始新建筑的工作之前，必须移除那个休眠螺丝。