使变音，改变(声音的)音调；使词发生屈折变化；变词形。

Inflection — a change in the pitch, tone, or loudness of the voice.

youdao

英语里只有少数的名词有性的差别，并且这些词很少有屈折变化。

There are only a small number of nouns indicating the gender distinction, and the elements indicating it are hardly inflectional.

youdao

调查结果表明，各组受试的动词屈折变化与情状体之间有密切关系。

The results indicate significant interdependence of verb morphology and lexical aspect at each proficiency level.

youdao