plug-and-feather hole

例句：

1. 1. The old phone was so oldthat it had to be plugged andfeathered.
   这部旧电话太旧了，需要插孔和塞孔。
2. 2. The car's engine was plugged and feathered, and it wouldn't start.
   汽车的引擎被插孔和塞孔了，无法启动。
3. 3. The engineercarefully plugged and feathered the hole in the wallbefore starting the project.
   工程师在开始项目之前，仔细地插孔和塞孔了墙上的洞。