短語詞組短語pore industriously 勤奮地鑽研dust industriously 勤撣polish industriously 勤勞地擦亮row industriously 奮力地劃船nod industriously 殷勤地點頭dig industriously 勤奮地鑽研labour industriously 辛勤地勞動scratch industriously 勤奮地抓clean industriously 勤勞地清理 返回 industriously