You are responsible for the airport security check . a foreign visitor asks you about which items need to be declared , how do you answer 你负责机场安检。有位外宾向你咨询那些物品需要报关，你该如何回答？
Attacks when hijackers crashed airplanes into the world trade center and the pentagon , airport security has been tightened at u . s . airports 自从9月11日世贸中心和五角大楼遭到被劫持飞机的袭击之后，美国加强了对机场的安全控制。
The devices would apparently have been undetectable by conventional airport security checks , and intelligence sources say they would have detonated successfully 这些装置可以不被常规机场保安察觉，并且军情处说他们可以被成功引爆。
Airport security lines can annoy passengers , but there is no evidence that they make flying any safer , u . s . researchers reported on thursday 美国研究人员日前称，机场安检让旅客很烦是真的，可是并没有证据表明这些手段让飞行更安全了。
Screening programs for illnesses like cancer are usually not broadly instituted unless they have been shown to work . " we ' d like airport security screening to be of value 在医学上，对癌症等病症的扫描操作通常不会太大张旗鼓，除非刻意为之。
Amongst others , it has specialised units to deal with organised crime , airport security , crowd management , vulnerable witnesses and vip protection 警队有受过精锐训练的单位，专责打击有组织罪行执行机场保安控制人保护易受伤害证人及保护要人等任务。
Taking a page from israeli airport security , the transportation agency has been experimenting with this new squad , whose members do not look for bombs , guns or knives 拿来自以色列飞机场安全的页,运输代理已经以这个新的班作实验, ,成员不找寻炸弹，枪或刀子。
Amongst others , it has specialised units to deal with organised crime , airport security , crowd management , vulnerable witnesses and vip protection 警队有受过精锐训练的单位，专责打击有组织罪行、执行机场保安、控制人? 、保护易受伤害证人及保护要人等任务。
Example ： instead of flying ， american business travelers are driving or using trains more nowadays for short trips because of the hassle factor involved with airport security 由于航空安全的因素现在美国的短途商务旅行者更多地选择驾驶汽车或乘坐火车而不愿意坐飞机。
The cybernose could also one day replace the sniffer dog for airport security , and could become a quick and non - invasive first medical test for some kinds of cancers 数位式的鼻子日后也有可能取代机场保安的缉查犬，也有可能变成一个对于某些癌症快速及非侵入性的初步医学检验。
