1、This is one of the top-secret underground bases in the Soviet Union.
這是前蘇聯(lián)的絕密地下基地之一。

2、The space shuttle undertook a top-secret mission with a military payload under Pentagon control.
航天飛機執(zhí)行了一項絕密使命，其軍用裝備由五角大樓控制。

3、For the second, you could try my own top-secret invention, Buffalo Soldier Wings.
另外，或許你可以試試我的獨創(chuàng)發(fā)明，布法羅戰(zhàn)斗之翅。

4、I was shredding top-secret documents at that time.
我當時正把 * 切碎。

top-secret翻譯