他承认,近代经历了两个相似的气候变暖阶段。
But he agreed that two periods in recent times had experienced similar warming.
倘若地球的初始气候凉爽得适合海水存在,那么锆石或许可以告诉我们,陆地与近代地球的其他特征在当时是否也存在。
If the earth's climate was cool enough for oceans of water early on, then maybe zircons could tell us if continents and other features of modern earth also existed.
近代人类正面临沙漠化扩展,气候变暖的严重挑战。
Nowadays, the mankind is facing the challenge of the warming climate which is suggested by spreading desertification.
近代人类正面临沙漠化扩展,气候变暖的严重挑战。
Nowadays, the mankind is facing the challenge of the warming climate which is suggested by spreading desertification.
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