词汇：subterranean

adj. 地下的；秘密的；隐蔽的

相关场景

I've traveled all over the subterranean levels of this planet, and I've seen it.

>> 刺猬索尼克 1996 Sonic the Hedgehog Movie Script

EXT. NOTRE DAME CATHEDRAL - DAY The great cathedral rises next to the monastery where Aramis resides. We PAN DOWN and PUSH IN on the cobblestones between the two structures, as if penetrating to -- SUBTERRANEAN PASSAGES Aramis leads Porthos through tunnels, twisting, descending.

>> 铁面人 The Man in the Iron Mask Movie Script

Which means that somewhere in that compound, there is a subterranean exit.

>> 越狱 终结篇Prison Break: The Final Break Movie Script