a change in the form of a word (usually by adding a suffix) to indicate a change in its grammatical function
the patterns of stress and intonation in a language
deviation from a straight or normal course
a manner of speaking in which the loudness or pitch or tone of the voice is modified
例句
用作名词 (n.)
Say the magic words with great inflection in your voice.The magic words sound more authentic and can help make the magic happen. 说这些词的时候音调变化强烈一些，这些词听起来就更能让人相信，从而帮助魔术成功。
Esperanto is an artificial international language with a vocabulary based on word roots common to many European languages and a regularized system of inflection. 世界语，一种人造的国际辅助语，其单词是建立在许多欧洲语言基础上，具有规定统一的音调变化系统。
经典引文
The allusion will not be..obtained by undue inflexions or distortions.
美
[ɪn'flekʃn]
