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When these great ice sheets retreated, they left pulverized rocks in their wake, the foundation for fertile soil and some of the richest natural grasslands in America.
当这些大冰原消散,它们离开岩石,肥沃的土壤和一些最富饶的美国自然草原展现的一览无余。
But in May this year, in the heart of Yellowstone, that grass is still beneath thick snow—something this ground squirrel was clearly not expecting.
但今年5月,在黄石国家公园的中心,草仍在厚重的雪下—这显然不是地松鼠所希望的。
But as the sun's strength returns, spring bulbs start to push through the late snow—at last a sign that winter is losing its grip.
而随着太阳强势回归,春天开始融化最后的雪—而最后一个迹象表明,冬天正失去其掌控。
Bluebirds, too delicate to survive deep winter here, now return to take advantage of the fist hatch of stone flies from the thawing river.
蓝知更鸟,太过精致以致于不能在这深冬里生存,现在回来利用其身体独特的优势从解冻的河流中觅食。
注：听力文本来源于普特
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