1N-UNCOUNT [oft NOUN n]防卫;保安措施;安全工作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. 防卫;保安措施;安全工作
They are now under a great deal of pressure to tighten their airport security.
他们现在承受着加强机场安保措施的巨大压力。
Strict security measures are in force in the capital.
2N-UNCOUNT 安全感;无忧无虑 A feeling of security is a feeling of being safe and free from worry. 安全感;无忧无虑
He loves the security of a happy home life. [+ of]
他喜欢幸福家庭生活所带来的安全感。
If an alarm gives you that feeling of security, then it's worth carrying.
如果带着闹钟让你感到心里踏实,那就值得携带。
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
Wearing helmets gave cyclists a false sense of security and encouraged them to take risks.
戴头盔给骑自行车的人一种错误的安全感,怂恿他们去冒险。
3N-UNCOUNT 抵押品 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 [business]
The central bank will provide special loans, and the banks will pledge the land as security.
4N-PLURAL 证券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. 证券 [business]
National banks can package their own mortgages and underwrite them as securities.