adj.未被发现的,隐藏的;
例句:
I stacked the presents and covered them with a blanket, positive they'd remain undiscovered.
我把礼物放好,在它们的上面盖了一张毯子, 以保证它们不被发现.
网络期刊摘选If something wrong is discovered, It'should be undiscovered immediately.
如果不好的东西被发现了, 就应该立即把它隐藏起来.
网络期刊摘选