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单词 invisible ink 释义 invisible ink ink which, when used for writing, cannot be seen until specially treated, eg by heat 隐形墨水(需经特殊处理方可显现字迹, 如加热). 英汉双解词典包含38652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...