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他们探索大自然的奥秘。
They 'are probing the profound mysteries of nature.
youdao
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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.
youdao
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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.
youdao