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

It can be hard to identify which parcels are carrying crucial items such as Social Security checks, but USPS and UPS try their best to prioritize sensitive material.

虽然很难辨别哪些包裹里装的是社会保障支票等重要物品，但美国邮政（USPS）和联合包裹服务公司（UPS）会尽其所能优先处理敏感材料。

youdao

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

这种材料填进衣服里就能保护全世界的安全人员及士兵。

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?

The aim would be to allow cases to go ahead, without revealing national security material to, for example, terrorist suspects.

BBC: Week ahead

The Journal notes that new rules also ban posting state secrets and material that could hurt national security, as well as material that might spur ethnic resentment or discrimination or promote illegal rallies.

FORBES: Connect