还有一个 hi you yi ge
means there're one more thing,beside other things (we've already know or we have talked about)
or
再来一个 zai lai yi ge
means sb. need sth for one more
yes, your pronunciation is almost right,
say "Hai You Yi Ge"
普通话!只要掌握好a o e ai ei ui ang ong ing 这些拼音字母就好了!
多多练习,有能讲流利普通话的人天天跟你交流那就更好了。
先看带拼音的课文 经常读 还有词语 一定要带拼音的
把汉语拼音学好