All that security material Noah was always handling made me nervous.

挪亚经常处理的那些机密使我提心吊胆。

youdao

Added to clothing, the material protects security officers and soldiers across the world.

VOA: special.2010.02.09

"And this is why we are asking the United States to ensure that material assistance and training that is given to security forces in Somalia are accompanied by vetting of personnel and the creation of specific mechanisms to respond to serious abuses when they occur,"

VOA: standard.2009.07.31

Then there are the crucial "closed" sessions which examine the national security material underpinning the decision to deport.

BBC: Can a spook judge the spooks?

Richard Shelby -- one of the Senate's most knowledgeable members on intelligence and national security matters bearing on the present global conflict -- ascends to the chairmanship of the Senate Banking Committee, he will surely play a pivotal role in ensuring that Mr. Pitt's successor works to protect U.S. investors not only from corporate financial improprieties, but also from security-related material risk factors.

CENTERFORSECURITYPOLICY: Opportunities for Financial War on Terrorism

The law dictates that the buying or selling of a security, while in possession of material, nonpublic information about the security, is illegal.

FORBES: Jurors in the Galleon Trial are Asked to Question the Definition of Public Information