... sunspot太阳黑子 sunspotactivity黑子活动 sunspotcycle黑子周期 ...
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When our star drops out of its latest sunspotactivity cycle, the sun is most likely going into hibernation, scientistsannounced today.
我们的恒星走完其最近一次太阳黑子活跃周期后，将极有可能进入冬眠，科学家今天宣布。
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