Infiltration into a top secret area.

渗透到一个绝密的区域。

youdao

The story that will lead you to a secret area, but we can't reveal anything about that right now.

故事将把角色带到隐藏地域，不过现在还不能公布。

youdao

Instead, Collins got them to give him a ride in the opposite direction, by telling them the plane had a nuclear weapon on board—a prearranged cover story to keep the Area 51 craft a secret.

但是，科林斯却请他们带他去相反的方向，他告诉他们这架飞机载有核武器————这是事先安排好的说辞，是为了保守51区飞机的秘密。

youdao

But the area is guarded by the Secret Service and Chicago police.

VOA: special.2009.01.12

Almost all of the development in this area is secret and classified.

BBC: Viewpoint: Stuxnet shifts the cyber arms race up a gear

Secret Service agents evacuated the immediate area in front of the White House, including the North Lawn area used by television organizations and other journalists, while initial examinations of the man and his bag were conducted.

CNN: Man sets self afire outside White House

He said it was all about making the area "less of a secret and much more of a big message".

BBC: East Kent Grow For It campaign promotes investment