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。
The inflection point at this PH is barely detectable.
在此PH值下，拐点不易发现。
The global economy is at an inflection point.
全球经济正处于一个拐点。
The man's voice was devoid of inflection
那人的声音缺少抑扬变化。
His voice was low and flat, with almost no inflection.
他的嗓音低而平，几乎没有语调的变化。
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。
How did you and your successors keenly identify those strategic inflection points and execute efficiently and effectively?
你是怎样和你的继任者敏锐地识别这些战略拐点和高效率和有效地执行？
Just a high fever and convulsions, which results from a virus upper respiratory tract inflection.
只是病毒性上呼吸道感染引起的高烧和抽搐。
( 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。
I think we are at an inflection point.
我认为，我们正处于拐点。