single cylinder roving waste opener

例句：

1. 1. She roved throughthe park on a sunny day.
   她在阳光明媚的日子里在公园里闲逛。
2. 2. Thechildren were roving around the playground.
   孩子们在操场上闲逛。
3. 3. Heroved through the woods in search ofhis lost dog.
   他在树林中寻找他的丢失的狗。