(adj.) easy and not involved or complicated; 'an elementary problem in statistics'; 'elementary, my dear Watson'; 'a simple game'; 'found an uncomplicated solution to the problem' .
(adj.) of or being the essential or basic part; 'an elementary need for love and nurturing' .
(adj.) of or pertaining to or characteristic of elementary school or elementary education; 'the elementary grades'; 'elementary teachers' .
录入:洛伦佐
汉丽埃塔整理