In a dozen years, they say, when you enter many train stations, subways or airports, you will walk through built-in biohazard , bomb, and weapon detectors.

• 在以后的十二年里，专家指出，当你进入很多火车站、地铁站或者机场时，你将通过安装有专门用来检测生物危害、炸弹和武器的探测器。