Portable character set
Portable Character Set is a set of 103 characters which, according to the POSIX standard, must be present in any character set. It is a subset of ASCII, lacking some control characters.
英汉网英语在线翻译词典收录了3779314条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。