1. In English, the letter "a" has several allographs, such as uppercase "A" and lowercase "a".
在英语中，字母"a"有几种不同的书写形式，比如大写的"A"和小写的"a"。
2. The allographs of the Chinese character "人" include traditional and simplified versions.
汉字"人"的不同书写形式包括繁体和简化字。