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access to sth
(使用或见到的)机会,权利
Students must have access to good resources.
学生必须有机会使用好的信息资源。
You need a password to get access to the computer system.
使用这个计算机系统需要口令。
access to confidential information
接触机密情报的机会
Journalists were denied access to the President.
记者被挡住,无法见到总统。
security
保护措施；安全工作
national security (= the defence of a country)
国家安全
airport security
机场的安全措施
They carried out security checks at the airport.
他们在机场实行了安全检查。
The visit took place amidst tight security (= the use of many police officers).
访问是在戒备森严的情况下进行的。
the security forces / services (= the police, army, etc.)
安全部队/机构
a high / maximum security prison (= for dangerous criminals)
高度/最高级戒备的监狱
usage
使用；利用；利用率
land usage
土地的利用
Car usage is predicted to increase.
汽车的使用率预计会增长。
