High carbon dioxide levels are associated with warm interglacial periods, and low levels with cold glacial periods.
高二氧化碳含量与温暖的间冰期有关，低二氧化碳含量与寒冷的冰期有关。
When snowfalls on high mountains or in polar regions, it may become part of the glacial system.
当雪落在高山或极地地区时，它可能成为冰川系统的一部分。
Recent studies do in fact show that high carbon dioxide levels are associated with warm interglacial periods, and low levels with cold glacial periods.
最近的研究确实表明，高二氧化碳水平与温暖的间冰期有关，而低二氧化碳水平与寒冷的冰期有关。
Most of those events were found in the glacial and deep sea sediments, mainly occurring on the high latitudes of the Northern Hemisphere.
指出这些事件大部分首先发现于冰川和深海沉积物中，且集中在北半球的高纬度地带。
A glacial sun filled the streets, and a high wind filled the air with scraps of paper and frosty dust.
冷冰冰的阳光照满街道，一阵阵狂风刮起，纸片和冰霜似的尘土吹满了天空。
A glacial sun filled the streets, and a high wind filled the air with scraps of paper and frosty dust.
冷冰冰的阳光照满街道，一阵阵狂风刮起，纸片和冰霜似的尘土吹满了天空。
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