元音字母а-я о-ё у-ю ы-и э-е元音字母国际音标发音要点单词示例а[a]嘴张大，舌放平，类似于“阿”мама（妈妈）о[o]口型比发a的时候小，唇向前伸，类似于“喔”он（他）у[u]口型比发o的时候小，舌后部向上抬起，类似于“乌”тут（这里）ы[ɪ]/[ɨ]做出
【维基资料】The United States of America ， commonly known as the United States or America， is a country located primarily in North America， consisting of 50 states， a federal district， five major self-governing territories， and various possessions.
