未知的探索

exploration well───探井

exploration wells───探井

exploration───n.探测；探究；踏勘

explorational───探索性的

explorationist───n.勘探家

explorationists───探险家

explorations───n.探索；探险（exploration的复数）；勘查；[医]探察术

expiration date───[贸易]截止日期

expiration dates───失效期；截止日期

Some people think that governments should invest more fund into space exploration so that scientists can let us know more of the unknown world.───有人认为政府应该加大太空探索的投入以便天天科学家能够向我们展示更多未知的世界；

Great Long Tail businesses can then guide consumers further afield by following the contours of their likes and dislikes, easing their exploration of the unknown.───然后，出色的长尾商业才能进一步引导顾客们根据其爱恶，去轻松地探索那些未知的领域。

lack of exploration means the country's oil and gas potential remains largely unknown.───勘探不足，该国的潜在石油和天然气储量在很大程度上仍是个未知数。

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