核安全的英文：
nuclear security
The biennial nuclear security summit is a cornerstone of his broader strategy.
两年一次的核安全峰会是他更广泛战略的一个重要组成部分。
adj.核的；核武器的；核细胞的；核心的
nuclear ensemble
原子核系综
Is there a credible alternative to the nuclear deterrent?
是否有可以取代核威慑力量的可靠办法？
Government ceases nuclear testing.
政府停止了核试验。
The ship is propelled by nuclear power.
这艘船是以核子动力来推动的。
There is a large body of support for nuclear disarmament.
拥护裁减核军备的人很多.
n. 安全，安全感；防护；保证；保障；证券
a security guard
安全警卫
This is a secure anchorage.
这是个安全泊地。
Underwrite securities
包销证券
The property was pledged as security for loans.
这地产被当作贷款的抵押。
Mortgage Backed Securities
以房地产抵押作担保的证券