其中一个不稳定因素与美国在国际体系中的单极地位有关。
One destabilizing factor has to do with American unipolarity in the international system.
营地位于阿森特冰川高处，高约6000英尺，刚刚离开极地高原边缘的蓝色冰层。
The camp site is high on the Ascent Glacier, around 6, 000 feet, just off the blue ice at the edge of the polar plateau.
营地位于阿森特冰川高处，高约6000英尺，刚刚离开极地高原边缘的蓝色冰层。
The camp site is high on the Ascent Glacier, around 6,000 feet, just off the blue ice at the edge of the polar plateau.
应用推荐