fruitless

fruitless汉语翻译：a. 不结果的, 不长果实的, 无子的词型变化：名词:fruitlessness副词:fruitlessly英语解释：形容词 fruitless:unproductive of success同义词：bootless, futile, sleeveless, vain 例句：All my efforts were fruitless.我所有的努力都白费了。 So...