GbEng
英语的元音字母有a,e,i,o,u,有时也包括y。 The vowels in the English alphabet are a,e,i,o,u, and, sometimes, y.
开的发音时,舌头放低并放平,口腔敞开,正如bath一词中的a和father中的a发音一样时。用于元音发音 Pronounced with the tongue placed low and flat and with the oral cavity wide open, like the a in bath when pronounced like the a in father. Used of vowels.