Vocab Bloom Hub

trackball

/ˈtræk.bɔːl/

翻译: 一种电子输入设备,由一个装在外壳内的可旋转球体组成,用于控制光标和在电脑屏幕上导航图像。

1 个条目

noun

/ˈtræk.bɔːl/B1formalIT
  • zh一种电子输入设备,由一个装在外壳内的可旋转球体组成,用于控制光标和在电脑屏幕上导航图像。

An electronic input device that consists of a rotatable ball housed in a casing, used to control the cursor and navigate images on a computer screen.

  1. Input deviceB2formalIT

    An electronic device with a rotatable ball in a housing, used to control the cursor and move images on a computer screen.

    zh输入设备

    • The graphic designer prefers using a trackball over a mouse for precision work.
    • He replaced his mouse with a trackball to reduce wrist strain.
    • The trackball's ball can be rotated with the thumb or fingers to move the cursor.
词形
  • trackballs plural form
  • trackballs' possessive plural form
  • trackball's possessive singular form