trackball

US [ˈtrækˌbɔl]
UK [ˈtrækˌbɔːl]
  • n.跟踪球;光标运动球
  • Web轨迹球;追踪球;轨迹球鼠标
Plural Form:trackballs  
trackball
n.
1.
跟踪球;光标运动球a device containing a ball that is used instead of a mouse to move the cursor around the screen

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard