a hand-operated electronic device that controls the coordinates of a cursor on your computer screen as you move it around on a pad; on the bottom of the device is a ball that rolls on the surface of the pad;
"a mouse takes much more room than a trackball"
例句
例句
The robot rats were quite minimalist, resembling a chunkier version of a computermouse with wheels to move around and colorful markings.
这些机器老鼠非常简约,就像一个体积更大的电脑鼠标,带有可以移动的轮子和五颜六色的标记。
Everyone's familiar with the computermouse.
一提电脑鼠标,大家都是再熟悉不过了。
It's the equivalent of right-clicking a computermouse.