短語詞組短語meaningless learning 無意義學(xué)習(xí)When meaningless 當(dāng)?shù)却ヒ饬xmeaningless thing 毫無意義的事meaningless answer 無意義的回答meaningless proposition [數(shù)]無意義命題Meaningless talk 毫無意義的談話 返回 meaningless