The methane concentration nearly doubled, for example, between the peak of the penultimate glacial period and the following interglacial period.

例如，在倒数第二个冰期的高峰和接下来的间冰期之间，甲烷浓度几乎增加了一倍。

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During the transition from the Penultimate Glaciation to the Last Interglaciation, the North Hemisphere insolation possible triggers the inception of full interglacial conditions worldwide.

在倒数第二次冰期向末次间冰期转换时，北半球太阳辐射可能触发了全球末次间冰期全盛期的开始。

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