dog shift

例句：

1. 1. The dog shift is changing every few hours.
   狗的换班每隔几个小时就会改变。
2. 2. The dog shift has been disrupted due to the weather conditions.
   由于天气条件，狗的换班已经中断了。
3. 3. The dog shift was a relief for the owner who had been waiting all night.
   狗的换班对主人来说是一种解脱，因为他整晚都在等待。