unexplored

prehistoric finds made in an unexplored cave

在未勘察过洞穴里史前发现

Very little forest is left unexplored nowadays.

如今,未被勘测森林是少之又少了。

the research focuses on an unexplored theme in European history.

研究主要集中在一个欧洲历史中未曾详细探讨主题上。

Every day his science is penetrating into the region formerly marked in his map as unexplored or inexplorable.

每一天人类科学都在向陌生区域深入，在他地图上这些区域过去是被标记为尚未勘查和无法勘查。

No trope of stagecraft went unexplored this week as the United States jockeyed for advantage in a high-level economic dialogue with China.

美国人在本周与中国高层经济对话中为占先机谓无所用其极。