inflection

英 [ɪnˈflekʃn]

美 [ɪnˈflekʃn]

n. (尤指词尾的)屈折变化; 语调的抑扬变化

复数：inflections　

BNC.20216 / COCA.16353

牛津词典

noun

（尤指词尾的）屈折变化
a change in the form of a word, especially the ending, according to its grammatical function in a sentence
语调的抑扬变化
a change in how high or low your voice is as you are speaking

in BRIT, also use 英国英语亦用 inflexion

N-VAR 变音;转调;语调的抑扬变化
Aninflectionin someone's voice is a change in its tone or pitch as they are speaking.
1. The man's voice was devoid of inflection...
  那人的声音缺少抑扬变化。
2. 'Seb?' he said, with a rising inflection.
  “是塞伯吗？”他扬声问道。
(词形的)屈折变化;屈折形式
In grammar, aninflectionis a change in the form of a word that shows its grammatical function, for example a change that makes a noun plural or makes a verb into the past tense.

noun

the patterns of stress and intonation in a language
Synonym:prosody
a manner of speaking in which the loudness or pitch or tone of the voice is modified
Synonym:modulation
deviation from a straight or normal course
Synonym:flectionflexion
a change in the form of a word (usually by adding a suffix) to indicate a change in its grammatical function
Synonym:inflexion

'Seb?' he said, with a rising inflection.
“是塞伯吗？”他扬声问道。
Repetition of a word in a different case or inflection in the same sentence.
同一个句子里以不同的格或者曲折变化出现的重复。
Don't add inflection or change the tone of how you pronounce the word.
发音时不要加入音量和语气的变化。
The global economy is at an inflection point.
全球经济正处于一个拐点。
We are at an inflection point.
我们处在一个拐点上。
Hence the debt crisis has driven Europe to a historic inflection point.
因此，债务危机已经迫使欧洲走到了一个历史性的转折点。
To give a particular tone or inflection to.
定调给予一个确定的音调或声调。
Look, we are meeting at a pivotal moment, an inflection point in the history of cyberspace.
我们今天在一个关键时刻开会，这是互联网历史中的转折点。
( linguistics) expressing a grammatical category by using two or more words rather than inflection.
（语言学）用两个或者多个词来表示语法类别，而不是用屈折。
The reform of the dual functions constitutes an inflection point in the process of the cultural system reform.
文化事业单位双重职能的改革是文化体制改革一个拐点。