South Carolina faced its own set of troubles, with its death toll rising Sunday and the storm's rains still unspooling havoc.

南卡也身陷各种灾情，死亡人数周日上升，风暴带来的降雨仍在加重人们的损失。

And this is possible because there is a latch under tension preventing the spring from unspooling until the robot is fully compressed.

- 这是可能的，因为有一个处于张力下的闩锁，可防止弹簧松开，直到机器人完全压缩。