他们探索大自然的奥秘。
探索大自然的奥秘是科学创造活动最强大的推动力之一。
It is one of the biggest motive forces in the activities if scientific creation to explore the secrets of nature.
大自然的奥秘是无穷的，人类的探索精神也是无止境的。
Mother Nature's secrets are boundless, just like man's desire to explore new horizons.
大自然的奥秘是无穷的，人类的探索精神也是无止境的。
Mother Nature's secrets are boundless, just like man's desire to explore new horizons.
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