cursor target bearing

例句：

1. 1.The cursor moved across the screen as she typed.
   当她打字时，光标在屏幕上移动。
2. 2. The programmer used a cursor to select the correct option.
   程序员使用光标来选择正确的选项。
3. 3.The cursor is used to indicate where text is being inputted.
   光标用来指示文本输入的位置。