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来源:雅诚德英语网
The presence of methane is intriguing because its likely origin is either present-day life or geological activity.
甲烷的存在非常让人着迷,因为它可能是由于生命活动或地质活动引起的。
The presence of methane is intriguing because its likely origin is either present-day life or geological activity.
甲烷的存在非常让人着迷,因为它可能是由于生命活动或地质活动引起的。