| 单词 | 光标 |
| 释义 | 〔trackball〕A ball mounted in a stationary housing and rotated to control a pointer on a computer screen.轨迹球，跟踪球：嵌入固定框架的球，旋转以控制计算机屏幕上的光标〔backspace〕To move the carriage of a typewriter or the cursor of a computer back one or more spaces by striking the key used for this purpose.按退格键：为将打字机的滑动架或计算机的光标向回移动一格或几格而敲打用于此种目的的键钮〔cursor〕A bright, usually blinking, movable indicator on a display, marking the position at which a character can be entered, corrected, or deleted.光标：显示器上的明亮、通常闪动的、可移动指示物，用于标明某一字符可以进入、修改或删去的位置〔return〕The key or mechanism on a machine, such as a typewriter or computer, that positions the carriage, cursor, or printing element at the beginning of a new line.换行键：打字机或计算机上的键或装置，在新的一行开始时它将机器轮架、光标或打印部件定位于新的一行的起点位置 |
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