security中文解释
n,[安全]安全；保证；证券；抵押品
n,[安全]安全；保证；证券；抵押品的英语是security
security例句The trial was held under tight security ..这场审讯是在戒备森严的情况下进行的。
security英语解释安全，安保nn
security短语和解释social security社会保险，社会保障
security真题真题例句...letting go of the safety and security of the past gives us great fear...第二套CET42017.6阅读理解
