unexplored

Very little forest is left unexplored nowadays.

如今,被勘测森林是少之又少了。

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，在他地图上这些区过去是被标记为尚勘查和无法勘查。

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可谓无所不用其极。