● 依照自然界和社會生活中的事物分類，“近取諸身，遠取諸物”，共劃分為九個主題。● 解釋古文字形，追溯字本義和引申義，以幫助讀者更好地理解現代漢語中的字詞。● 收入常用漢字約2500個，依照共同形符、共同聲符或字形相近等原則組成字組，以簡馭繁，以類相從。● 收入常用詞約4000個， 按照其中體現的字義排布於對應的字下面，大多數詞配有精美插圖，生動活潑地詮釋詞義，妙趣橫生。● The dictionary features 9 thematic units categorized by what’s common in nature and daily life, progressing from what is near at hand to understand oneself, to more distant things to comprehend the world.● It explains ancient forms of characters to reveal their original meanings and extended meanings, facilitating a better understanding of modern Chinese.● About 2500 of the most frequently used characters are organized into groups based on the same radicals, phonetic components, or similar forms. Simplify the complex and follow the similar.● About 4000 of the most frequently used words are listed under the corresponding characters, with most of them illustrated, making the learning process enjoyable.
![HIV-1:分子生物學和發病學病毒機制[第二版]（簡體書）](https://cdnec.sanmin.com.tw/product_images/703/703021476.jpg)
