inflection

/ˌɪnˈflɛkʃən/

a change in the form of a word (usually by adding a suffix) to indicate a change in its grammatical function

中文释义：屈折变化；词形变化

In English, verbs undergo inflection to indicate tense, such as adding -ed for past tense.

在英语中，动词通过屈折变化表示时态，例如加-ed表示过去时。

Languages like Latin have complex inflection systems that change word endings based on case.

像拉丁语这样的语言有复杂的屈折变化系统，根据格改变词尾。