mouse
US /maʊs/
UK /maʊs/

1.
老鼠
a small rodent with a pointed snout, relatively large ears and eyes, and a long, slender tail.
:
•
A tiny mouse scurried across the floor.
一只小老鼠在地板上跑来跑去。
•
The cat chased the mouse.
猫追老鼠。
2.
鼠标
a small handheld device that is dragged across a flat surface to control the movement of a cursor on a computer screen.
:
•
Click the left button on your mouse.
点击鼠标左键。
•
My computer mouse isn't working.
我的电脑鼠标坏了。