A root is often seen as part of word; it can never stand by itself although it bears clear, definite meaning; it must be combined with another root or an affix to form a word.是什么意思_A root is often seen as part of word; it can never stand by itself although it bears clear, definite meaning; it must be combined with another root or an affix to form a word.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句