leftmost character

例句：

1. 1. The text editor allows you to edit the leftmost character in the document.
   文字编辑器允许你编辑文档中最左边的字符。
2. 2. In this software, you can select the leftmost character by clicking on it.
   在这个软件中，你可以通过点击来选择最左边的字符。
3. 3.The program displays the leftmost character of the string for easy recognition.
   该程序显示字符串的最左边字符以便容易识别。