十字光标

例句：

1. 1. The computer screen has acrosshair on it to help you focuson the task at hand.
   电脑屏幕有一个十字光标，帮助你专注于手头的任务。
2. 2. The artist used a crosshair todraw the intricate details of the painting.
   艺术家使用十字光标来绘制这幅画的复杂细节。
3. 3. The scientist used a crosshair to measure the distance between two pointson the map.
   科学家使用十字光标来测量地图上两点之间的距离。