●簡單的發音! 只有42個符號代表250多個常見的拼寫英語的聲音。超過80,000的單字定義! ●Over 80,000 definitions. More information than in any other dictionary of its kind. ●Including new words and technical-scientific terms appearing in no other dictionary. ●Current definitions. Up-to-the-minute definitions of contemporary vocabulary. ●Finding the right word: The only dictionary with mini-essays (500) on the use of world that have similar meanings. ●Easy pronunciation. Only 42 symbols represent the more than 250 common spellings of English sounds. ●Word origins. Concise etymologies tell where words came from, and how they have changed. ●An appendix that includes handy measurement conversion tables. ●A comprehensive Guide to the Dictionary that teaches about words and language. ●簡單的發音! 只用42個符號代表250多個常見的拼寫英語的聲音。超過80,000的單字定義！內含其他詞典沒有的新詞彙與科技專業術語，提供正確的辭源，讓你知道單字最原始的樣貌及怎麼改變。