intonation，英语单词，名词，意思是“声调，语调；语音的抑扬”。

Intonation language语调语言 ; 语调语 ; 语调语音 ; 语调说话

intonation meaning语调意义 ; 还有语调意义

normal intonation正常语调 ; 标准语调 ; 吟咏 ; 音调

What intonation should I use if I want to express doubt?

如果我想表示疑问我该用什么语调？

Like other languages, English has a system of sounds, stress, and intonation that gives it a rhythm and melody all its own.

英语像其它语言一样，有它自己的一套由声音、重音和语调系统形成的英语独有的节奏和旋律。

Compound sentences which do not connect with each other between their clauses by connectives or conjunctions, but by meaning, intonation and so on, are compound sentences without connectives.

各分句间不用连接词或关联词，而用意义、语调等手段连接起来的复合句叫无连接词复合句。