地球有周期性冰河期，每次都毁灭大量物种，美国历史学家Will Durant说过, 人类文明只是两冰河期间的间奏曲

来源: viBravo5 于 2025-03-09 20:31:40 [旧帖] [给我悄悄话] 本文已被阅读：次

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