ratal

例句：

1. 1.The rat was caught by the hunter.
   那只老鼠被猎人抓住了。
2. 2. The mice were scurrying around in the basement.
   老鼠们在地下室里乱跑。
3. 3. The rat was eating the food that had been left out.
   老鼠正在吃掉剩下的食物。