英语里共有四种基本语调类型，即大家所知的那四种语调：降调，升调，降升调，升降调。

Chinese is a typical tone language. It has four tones: the level, the rise, the fall-rise and the fall.

youdao

英语里共有四种基本语调类型，即大家所知的那四种语调：降调，升调，降升调，升降调。

Chinese is a typical tone language. It has four tones: the level, the rise, the fall-rise and the fall.

youdao