英语词汇track ball怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

短语

1
Place mouse or track ball next to keyboard.
将鼠标器或跟踪球放在键盘旁。
2
Input devices include keyboards and pointing devices such as mouse joystick track ball or light pen.
输入设备包括键盘和点击设备如鼠标，操纵杆，跟踪球或光笔。
3
Input devices include keyboards and pointing devices such as mouse, joystick, track ball, or light pen.
输入设备包括键盘和点击设备如鼠标，操纵杆，跟踪球或光笔。

单词	track ball
释义	track ball 美/ tr?k b??l / 简明释义轨迹球：一种计算机输入设备，通过旋转一个球体来移动屏幕上的光标。网络释义短语 1 Virtual Track ball 虚拟轨迹球 2 track-ball pointer 跟踪球式指示器 3 Optical track ball 松下原装轨迹球双语例句 1 Place mouse or track ball next to keyboard. 将鼠标器或跟踪球放在键盘旁。 2 Input devices include keyboards and pointing devices such as mouse joystick track ball or light pen. 输入设备包括键盘和点击设备如鼠标，操纵杆，跟踪球或光笔。 3 Input devices include keyboards and pointing devices such as mouse, joystick, track ball, or light pen. 输入设备包括键盘和点击设备如鼠标，操纵杆，跟踪球或光笔。
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