科考队收集了山坡上146个岩石样本，并标记了这些岩石的冷却年代，从而可以了解其由于冰川侵蚀而被暴露的年代。
The team collected 146 samples of rocks from mountainsides and then dated the rocks’ so-called cooling age, which reveals when the rock was exposed by erosion.
雪已经不下了，淡淡的一闪日光把我们前面的山坡上的那所房子的可悲的丑陋暴露无遗。
The snow had ceased, and a flash of watery sunlight exposed the house on the slope above us in all its plaintive ugliness.
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