要素英文網站相關資料
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要素英文網站相關資料
THE ELEMENTS OF STYLE
This book aims to give in brief space the principal requirements of plain English style. It aims to lighten the task of instructor and student by conc …
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Periodic Table
Learn the periodic table of elements with Socratica. Over 30 facts about each element for reference. Audio clips to help with pronunciation. Test your …
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