(单词翻译:单击)
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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