lower-case letter

基本解释

It consists of a floating-point literal or decimal integer followed by the lower-case letter i.
它有浮点表和十进制整数跟随小写的字母i。
Thee prank has not caused lasting damage to the sign, however, as parts of both "O" letters were covered by tarpaulins to make them look like a lower-case letter "E".
但是这一恶作剧并没有造成太久的损害，因为两个字母“o”只是被防水帆布遮了起来，从而使得它们看起来像小写的“e”。。
edu.sina.com.cn
Some Web sites require passwords with numbers and letters, others require numbers, letters and special characters, and still others require a capital letter, a lower-case letter and then a number.
一些网站的密码由数字和字母组成，另一些必须是数字、字母和特殊符号的组合，还有一些必须有一个大写字母，小写字母和数字组成。