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The character which when preceded by an escape character represents a non - word character.
前跟转义字符用于表示任意 非 单词字符的字符.
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The character which when preceded by an escape character represents the non - word boundary assertion.
前跟转义字符用于判断 非 单词边界的字符.
英汉双解词典包含4367426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。