义项分布 · 点义项筛选原句
n. 安全（感），防御（物），保证（人），[pl.]证券29 次
Security, entertainment, portable restrooms, insurance and even basics such as fencing and staffing have all become significantly more expensive.
安保、娱乐、移动厕所、保险，甚至围栏和人手等基本开支都大幅上涨。
they have to step up security measures.
他们必须加强安保措施。
Yes, there is the risk that the original country will not have as good security as do the foreign countries.
诚然，存在原属国的安保不如外国的风险。
Concern over security is no excuse for refusing to return artifacts to their countries of origin.
对安全的担忧不能成为拒绝将文物归还原属国的借口。
security
安保
With the global population predicted to hit close to 10 billion by 2050, and forecasts that agricultural production in some regions will need to nearly double to keep pace, food security is increasingly making headlines.
据预测，到2050年全球人口将接近100亿，而且一些地区的农业产量需要几乎翻一番才能跟上步伐，粮食安全日益成为头条新闻。