spanner for square screw

例句：

1. 1. He used a spanner to tighten the bolts on the door.
   他用扳手把门上的螺栓拧紧了。
2. 2. The carpenter needed a spanner to remove the screws from the wooden planks.
   木匠需要一把扳手才能从木板上拆下螺丝。
3. 3. The engineer used a spanner to adjust the gears of the machine.
   工程师用扳手调整机器的齿轮。