network security网络安全;网路安全;网络保密;[计] 网络安全性
Security Council安理会;安全理事会;联合国安全理事会;联合国安理会
computer security[计] 计算机安全;电脑安全;[计] 计算机安全性;电脑保安
security agency国家安全机关;安全机构;警卫处;安全代理
Security Question安全问题;安全提问;找回密码问题;选择安全问题
Security Printing防伪印刷;证券印刷;大中华印刷网
security exchange证券营业部;证券交易;证券交易所;安全交换
performance security履约保证金;履约担保;履约保证;履约保函
Listed Security上市证券;上市证券或认可
N-UNCOUNT（不可数名词） Security refers to all the measures that are taken to protect a place, or to ensure that only people with permission enter it or leave it. 保安措施; 安全措施
They are now under a great deal of pressure to tighten their airport security.
他们目前承受着加强机场保安措施的巨大压力。
N-UNCOUNT（不可数名词） A feeling of security is a feeling of being safe and free from worry. 安全感
He loves the security of a happy home life.
他非常喜欢幸福的家庭生活所来的那种安全感。
PHRASE（习语） If something gives you a false sense of security, it makes you believe that you are safe when you are not. 虚假的安全感
N-UNCOUNT（不可数名词） If something is security for a loan, you promise to give that thing to the person who lends you money, if you fail to pay the money back. 抵押品 [商业]
The central bank will provide special loans, and the banks will pledge the land as security.
中央银行将提供特别贷款,而各家银行将以土地作为抵押品。
N-PLURAL（复数型名词） Securities are stocks, shares, bonds, or other certificates that you buy in order to earn regular interest from them or to sell them later for a profit. 有价证券 [商业]
National banks can package their own mortgages and underwrite them as securities.
国家银行可以组合包装自己的的抵押贷款,以证券形式承销。
（） → see also Social Security