spline a keyway

例句：

1. 1. The bolt was splined into the wall.
   螺栓被拧入墙里。
2. 2. She splined the screw tightly to the table.
   她把螺丝拧得紧紧的，固定在桌子上。
3. 3. The carpenter splined the beams together for support.
   木匠把梁拧在一起作为支撑。