英文原文：

My son is a student.

英式音标：

[maɪ] [sʌn] [ɪz] [ə; eɪ] [ˈstjuːd(ə)nt] .

美式音标：

[maɪ] [sʌn] [ɪz] [e] [ˈstudnt] .