4.The " v" from the " of" , there's the " o" , there's the " v" : " so ma voom" , it blends together, and the " h" is there but it's very soft and very weak so you don't really even hear it.
" of" 的" v" 音,有" o/ə/" 音," v" 音," so ma voom/mə vəm/" ,它们融合在一起," h" 在那里,但它非常轻,非常微弱,你甚至听不到它。