roller sweling

例句：

1. 1.The roller swelled up with the water.
   随着水位上升，滚筒膨胀了。
2. 2.The rolling oven was used to bake bread.
   滚筒烤箱被用来烤面包。
3. 3.The roller swelled with pride as he won the championship.
   他赢得冠军时，滚筒鼓起了骄傲。