Scientists have long been puzzled by what caused a sudden cooling of up to 8C (14F) just as the Earth was warming up at the end of the last ice age.

到底是什么原因使地球在上一个冰河世纪末尾开始转暖时，温度突然骤降了8摄氏度？科学家长久以来一直为这个问题所困扰。

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Scientists have long been puzzled by what caused a sudden cooling of up to 8C (14F) just as the Earth was warming up at the end of the last ice age.

到底是什么原因使地球在上一个冰河世纪末尾开始转暖时，温度突然骤降了8摄氏度？科学家长久以来一直为这个问题所困扰。

youdao