pull stud

例句：

1. 1. He pulled the studon the door to make it fit better.
   他拉紧门上的钉子，使门更合适。
2. 2. The carpenter had topull the studs out of thewall before he could start building.
   木匠在开始建造之前必须把墙上的钉子拔出来。
3. 3. The old house needed some repairs,so we pulled the studs andrebuilt the walls.
   这所老房子需要一些修理，所以我们拔起了钉子并重新建造了墙壁。