英语词汇oblate spheroid的起源、历史背景-英语词源词典

词汇	oblate spheroid
词源	oblate spheroid. A scientific description of planet Earth, which isn’t a perfect ball or sphere but is slightly flattened on the top and bottom.
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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。