exploration
/ˌekspləˈreɪʃn; ˌɛksplə`reʃən/ n
1 [U] activity of exploring 勘探; 探测; 探索; 探究
the exploration of space 对宇宙空间的探索
a voyage of exploration 探险航行
detailed exploration of a subject 对一题目的详细探讨.
2 [C] instance of this 勘探; 探测; 探索; 探究
in the course of his explorations of the country 在他对该国进行探索的过程中
an exploration of the subconscious mind 对潜意识的探索.