static shake-down theorem

例句：

1. 1. The room is static; there's no movement at all.
   房间是静止的，一点动静都没有。
2. 2. The car was static when we arrived;it had been parked for hours.
   我们到的时候汽车是静止的，已经停了几个小时了。
3. 3. The data is static; it cannot be changed or updated.
   数据是静态的，不能更改或更新。