mid-15c., ultimately from Latin declinationem (nominative declinatio), noun of action from past participle stem of declinare (see decline (v.)); perhaps via French; "the form is irregular, and its history obscure" [OED].
权威例句
1. An ardent outset may be followed by declension.
热情的开端可能继之以冷漠.
2. In Latin, the nominative case of first declension nouns ends in'a '.
在拉丁文中, 属于第一类词形变化的名词的主格以a结尾.
3. Declension means varying the forms of nouns, pronouns and adjectives in a sentence.