Thermokarst failures occur when permafrost—a layer of frozen soil in Earth's polar regions—thaws and becomes unstable, possibly releasing greenhouse gases into the atmosphere.
随着永久冻溶和分崩离析,热喀斯特现象大出现,埋藏于地下的(甲烷等)温室能散发到大中。
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Set deep into the surrounding rainforest and karst cliffs, the caves are record-breakers in several ways Kayaking, mountain biking, and taking a walk in the 500-meter-long canopy skywalk are also popular park activities.
这些洞穴深入周围的雨林和喀斯特悬崖,在很多方面都打破了纪录。皮划艇、山地自行车和在 500 米长的树冠空中道上散也是受欢迎的公园活动。