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。
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.
第二种单词是同音异形异意词——它是由字母与符号或者数字组合构成的，而听起来像另外的词。
The second kind of word is a "homophone" -it's created by combining letters and symbols, or Numbers, to sound like other words.
第二种是“同音词”。它是由字母符号、数字组成的，听起来像别的单词。
The second kind of word is a "homophone" - it's created by combining letters and symbols, or Numbers, to sound like other words.
第二种是“同音词”。它是由字母符号、数字组成的，听起来像别的单词。
The second kind of word is a "homophone" - it's created by combining letters and symbols, or Numbers, to sound like other words.
应用推荐