having received professional training for what one is doing be a professional by training
be a professional by training
科琳用英文怎么说
科琳娜用英文怎么说
科瑞用英文怎么说
科瑞斯的用英文怎么说
科瓦用英文怎么说
英语词典收录了最新的汉英词典和英汉词典,总共有200多万个词条,词库仍在不断更新中。