is it a very useful dictionary?
英式音標：
[?z] [?t] [?; e?] [?ver?] [?ju?sf?l; -f(?)l] [?d?k?(?)n(?)r?] ?
美式音標：
[?z] [?t] [e] [?v?ri] [?jusfl] [?d?kn?ri] ?