KRC (Kent Recursive Calculator) is a lazy functional language developed by David Turner in (or before?) 1981 based on SASL, with pattern matching, guards and ZF expressions (now more usually called list comprehensions).
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。