Definition: a small animal with fur and a long, thin tail Level: A2
我看到一只老鼠在花园里跑。
I saw a ___mouse running in the garden.
猫在追一只老鼠。
The cat is chasing a ___mouse.
这个故事里有一只聪明的老鼠。
There is a clever ___mouse in this story.
