详细解释:a. 有目的的
【法】 有意图的, 有目的的, 故意的
词型变化：
名词:purposefulness副词:purposefully英语解释：
形容词 purposeful:
serving as or indicating the existence of a purpose or goalhaving meaning through having an aim例句：
Purposeful or industrious activity; enterprise.企图，进取心有目的的、勤勉刻苦的行动; 进取心