求翻译：b j h y n这是声母。ei ing uan ing i 这是韵母。汉语拼音是一个大国家，声母是男生，韵母是女生。我们先来学习几个韵母。用音频和口形图。a e i 口型不变但开口越来越小是什么意思？

b j h, y n is the initial consonant. ei ing uan ing i This is the finals. Hanyu Pinyin is a big country, the initial consonant is the boys finals are girls. Let's learn a few vowels. Audio and lip-map. a e i mouth unchanged but opening more and more small

B h y J N This is sound. EI I ing ing uan this is finals. Hanyu pinyin is a big country, the sound of boys, girls, and phonetic. We have to learn several finals. With audio and mouthed. I Port A-E does not change, but more and more small openings

b j h y n this is an initial consonant.ei ing uan ing i this is a final.Chinese Pinyin is a big country, the initial consonant is the male student, the final is a female student.We study several finals first.With audio frequency and shape of the mouth chart.But the e i shape of the mouth invariable

B j h y n This is a consonant. EI ing UAN ing I is a vowel. Hanyu Pinyin is a big country, initials are boys, girls finals. We first learn a few vowels. Audio and mouth map. A e I mouth shapes unchanged but opening more and more small

正在翻译，请等待...