uncharted

adj.

未知的，图上未标明的；

1. The ship had drifted into uncharted waters.
   船漂到了海图上未载明的海域。
2. They set off into the country's uncharted interior.
   他们出发前往这个国家人迹罕至的内陆。
3. The nation's geopolitical strategy is yet uncharted.
   该国的地缘政治的策略还不被人所知

Scenarios : Uncharted waters ahead
Analysing uncharted transcriptomes with SAGE.
Zebra fish: an uncharted behavior genetic model.
The uncharted passage: girls' adolescence in the developing world.
The frontal lobes: Uncharted provinces of the brain
Deepest known plant life discovered on an uncharted seamount
Interdisciplinary communication: an uncharted source of medical error?
Cancer Stem Cells and Tumor Metastasis: First Steps into Uncharted Territory
Allostery at G protein-coupled receptor homo- and heteromers: uncharted pharmacological landscapes.
The use of LH activity to drive folliculogenesis: exploring uncharted territories in ovulation induction