英语词汇null的起源、历史背景-英语词源词典

词汇	null
词源	null. Null, as in the well-known phrase null and void, means having no legal force. The word derives from the Latin nullus meaning the same.
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英语词源词典收录了13259条英语词源词条，基本涵盖了全部常用英语词汇的起源、历史，是研究英语词汇或通过词源学英语的必备工具。