短语词组短語Strenuous Vibration 劇烈震動strenuous object 強烈的反對strenuous training 大運動量訓練strenuous workers 乾勁十足的工作人員strenuous exercise 劇烈運動strenuous adjective 精力充沛的;必須努力的;乾勁十足的Too strenuous 太費勁了;太費勁strenuous test 強化試騐 返回 strenuous