trackball

常見例句

A trackball is essentially an upside-down mouse.
軌跡球鼠標(biāo)實(shí)際就是倒置的普通鼠標(biāo)。
Instead, it is controlled with a trackball.
相反,它由追蹤球控制。
User can type on using a mouse or trackball.
用者可使用滑鼠或軌跡球作輸入。
Carefully set your trackball assembly aside.
小心地把軌跡球架子放在臺(tái)上。
A mouse takes much more room than a trackball.
鼠標(biāo)要比軌跡球占地方的多。
A mouse or trackball is optional, but extremely useful.
可以選用鼠標(biāo)或者軌跡球,但都對(duì)操作非常有用。