gainful
/ˈɡeɪnfl/ adj.有利益的,唯利是图的gainfully
/ˈɡeɪnfəli/ adv.有利益地,有收入地gainfulness
/gainfulnɪs/ n. 收益;唯利是图的;有利益的;infuse
/ɪnˈfjuːz/ vt. 使充满;灌输;浸渍infusion
/ɪnˈfjuːʒn/ n. 灌输;注入物;浸泡;激励infusionist
/ɪn'fjuːʒnɪst/ n.[宗]灵魂投胎论者painful
/ˈpeɪnf(ə)l/ adj. 疼痛的;痛苦的;令人不快的painfully
/ˈpeɪnfəli/ adv. 痛苦地,费力地painfulness
/ˈpeɪnfəlnəs/ n.痛苦