uncharted
adj
1 not marked on a map or chart 圖上未標明的
an uncharted island 地圖上沒有標明的島.
2 not explored or mapped 未經勘測的; 未繪制成圖的
an uncharted area, zone, etc 未經勘探的地區、 地帶等
(fig 比喻) the uncharted depths ofhuman emotions 未經探究的人的感情深處
Our researchis sailing into uncharted waters/seas, ie investigating fieldsthat have not been researched before. 我們的研究工作正深入到從未涉及過的領域.