movable signal

例句：

1. 1. The chair is movable, so it can be moved around the room.
   椅子是可移动的，所以可以搬动到房间的任何地方。
2. 2. The car has a movable roof that can be opened and closed.
   汽车有一个可移动的顶篷，可以打开和关闭。
3. 3.The movable parts of the machine are easy to replace.
   机器的可移动部分很容易更换。