词典笔首先解决的问题是查词，用词典查要10秒，用手机查要2妙，用词典笔10秒可查完一页纸The first problem to be solved by the dictionary pen is to look up words. It takes 10 seconds to look up words with a dictionary, 2 seconds to look up with a mobile phone, and 10 seconds to finish a page with the dictionary pen.