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track ball例句_track ball英汉例句_track ball双解例句_欧米惠必应词典
欧米惠必应词典

track ball

T 开头单词

常见例句

  • 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。
    • 返回 track ball