Moreover, it is my secret base.

此外，它也是我的秘密基地。

youdao

Leaving the Dadan Family!? The Secret Base is Complete!

与达坦一家告别！ ？完成秘密基地。

youdao

Indeed, the first thing Nato ministers will be doing is huddling with their chiefs of staff at a secret US base just outside Colorado Springs for a "study seminar".

BBC: NEWS | Americas | Nato studies future tasks

Randall Larsen, director of the Institute for Homeland Security, was enthusiastic about the expanded base of people with access to "secret" intelligence, saying it is particularly needed by behavior detection officers, who look for travelers exhibiting unusual behavior.

CNN: 10,000 airport security workers to get higher clearances

NYSE's secret: its apparently low trading costs reflect the fact that its high cost base is spread over enormous volumes.

ECONOMIST: America��s leading stock exchanges need modernisation