declension

n. 詞形變化、變格、傾斜、衰退

英文釋義

1. the inflection of nouns and pronouns and adjectives in Indo-European languages
2. process of changing to an inferior state
3. a downward slope or bend
4. a class of nouns or pronouns or adjectives in Indo-European languages having the same (or very similar) inflectional forms