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来源:雅诚德英语网
The chances of a disruption from space are getting stronger because the sun is entering the most active period of its 11 to 12-year natural cycle.
由于太阳正逐渐进入活跃时期,太阳黑子的活动周期为11年到12年。
The chances of a disruption from space are getting stronger because the sun is entering the most active period of its 11 to 12-year natural cycle.
由于太阳正逐渐进入活跃时期,太阳黑子的活动周期为11年到12年。