词源英语OpenEtymology:英语词源、词根、词缀单词本,覆盖 CET4/CET6/TEM8/TOEFL/GRE,提供 PDF/EPUB/TXT。English vocabulary wordbooks with etymology, word roots, prefixes and suffixes.
pdf dictionary morphology language-learning vocabulary etymology english epub prefixes gre toefl english-learning wordbook chinese-english suffixes cet4 cet6 tem8 word-roots openetymology
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Updated
May 24, 2026 - Swift