英文原文：

The topic of my today's speech is

英式音标：

[ðə] [ˈtɒpɪk] [ɒv; (ə)v] [maɪ] [təˈdeɪz] [spiːtʃ] [ɪz]

美式音标：

[ðə] [ˈtɑpɪk] [əv] [maɪ] [təˈdez] [spitʃ] [ɪz]