latent

他有一种潜在的领导才能，只是还没有机会展现出来。

He has a ___latent leadership ability that hasn't had the chance to emerge yet.

这种感染潜伏了二十多年才出现最初的症状。

The infection remained ___latent for over twenty years before the first symptoms appeared.

这张老照片里含有一个潜伏影像——主体身后还站着另一个人，经过数码增强后才被显现出来。

The old photograph contained a ___latent image of a second figure standing behind the subject, revealed only after digital enhancement.