n a change in the form of a word (usually by adding a suffix) to indicate a change in its grammatical function
n. 弯曲, 曲折, 变音, 音调变化, 转调, 屈折变化, 屈折变化形式, 回折点[计] 词尾变化, 拐折, 回折, 转折, 弯曲