not engaging in or involving any or much physical activity 不活动的,不活跃的,懒散的 he might lose condition if he remained inactive. 如果他还是不活动的话,就可能失去健康。 an inactive lifestyle. 懒散的生活方式。 ■not working; inoperative 不运转的,失效的 the device remains inactive while the computer is started up. 计算机启动时这一装置一直不运转。 ■not engaging in an occupation or in political or other activity 闲散的,无所事事的;不参与(政治等)活动的 an inactive Russian spy. 无所事事的俄罗斯间谍。 ■having no chemical or biological effect on something 无化学活性的;无生物活性的 the inactive X chromosome. 无(生物)活性的X染色体。 ■(of a disease) not exhibiting symptoms (疾病)不显症状的