| 词汇 | it must have been one of the nuts |
| 词源 | it must have been one of the nuts. According to U.S. News and World Report (October 16, 2006), this was the first thought that came to Richard Nixon when he learned that President John F. Kennedy had been assassinated. |
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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。