trackball
英['trækbɔːl]
美['trækbɔːl]
- n. 〈计算机〉（用来控制光标的）追踪球
详细释义
Noun:
-
an electronic device consisting of a rotatable ball in a housing; used to position the cursor and move images on a computer screen;
"a trackball is essentially an upside-down mouse"
双语例句
- 1. Fixed auto brightness, hardware key lights and trackball light notifications.
- 固定自动亮度, 硬件锁灯和轨迹球通知.
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- 2. A mouse takes much more room than a trackball.
- 鼠标要比轨迹球占地方的多.
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- 3. Move your mouse or trackball in the straightest line possible.
- 尽可能在最直的线上移动您的鼠标或轨迹球.
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- 4. A trackball is essentially an upside - down mouse.
- 轨迹球鼠标实际就是倒置的普通鼠标.
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- 5. In 2006, the scroll wheel was replaced with a trackball on the front of the device.
- 2006年滚轮被一个置于手机正面的轨迹球取代.
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