短语词组短语Strenuous Vibration 剧烈震动strenuous object 强烈的反对strenuous training 大运动量训练strenuous workers 干劲十足的工作人员strenuous exercise 剧烈运动strenuous adjective 精力充沛的;必须努力的;干劲十足的Too strenuous 太费劲了;太费劲strenuous test 强化试验 返回 strenuous