paddingn [U]1 soft material used to pad things (软的)垫料, 衬料.2 unnecessary material in a book, an essay, a speech, etc (书、 文章、 讲话等的)凑篇幅的材料 There's a lot of padding in this novel. 这部小说有大量空洞无物的内容.
牛津英汉双解词典