Definition: the act of traveling to a place or searching a place to learn about it Level: C1
她一直热爱旅行和探索。
She has always loved travel and ___exploration.
北极的石油勘探存在争议。
Oil ___exploration in the Arctic is controversial.
机器人在太空探索中扮演着越来越重要的角色。
Robots are playing an increasing role in space ___exploration.
