roll-over bucket

例句：

1. 1.The bucket was filled with water and then rolled over to dump it out.
   这个桶被装满了水，然后被倒过来倾倒出来。
2. 2.The workers had to roll over the bucket to get the dirt out.
   工人们不得不把桶翻过来才能把土倒出来。
3. 3.The bucket was filled with sand and then rolled over to clean the floor.
   这个桶被装满了沙子，然后被翻过来清洗地板。