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A person who puts something in place of another; (also in later use) an object used to perform this function.
Late 16th century (in an earlier sense). From substitute + -er.
雅致网英汉双解词典包含236457条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。