多年冻土是埋藏于地表下多年不融化的含冰土层，是古代冰川气候的残留物。
Permafrost is underground soils containing ice which keep frozen for several years, it is remains of ancient glacial climate.
据日本媒体8日报道，日本一家公司日前推出一种可在常温下保持1个多小时不融化的冰激凌。
Japanese company has introduced a new ice cream that takes more than an hour to melt at room temperature, local media reported Monday.
融化的冰川也应当起到类似的作用，即警告我们的狂妄自大--以及如果我们不马上处理碳排放问题的话地球将会面临的后果。
The melting glaciers should be a similar warning of our hubris — and of the consequences that the earth will face for centuries unless we address carbon emissions today.
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