cross hair cursor

例句：

1. 1. The artist used a crosshair to draw the outline of the painting.
   艺术家用十字准星画了这幅画的轮廓。
2. 2.The computer cursor moved across the screen as she typed.
   当她打字时，电脑的光标在屏幕上移动。
3. 3.The scientist uses a cursor to select data in his graphing software.
   科学家使用光标在他的绘图软件中选择数据。