鉴于水是有宇宙中第一丰富的元素和第三风丰富的元素组成，它的存量应该也十分丰富。
Since it is composed of the commonest element in the universe and the third commonest, however, it is actually quite abundant.
他们的预测是基于积聚在地壳的罕见同位素的水平，轻微的太阳风使宇宙射线穿透地球的大气层。
Their prediction is based on levels of rare isotopes that accumulate in the Earth's crust when weak solar winds allow cosmic rays to penetrate the Earth's atmosphere.
她知道现在她不只是一片依赖于风的一时兴致的树叶了，她成为宇宙的一部分。
She knew now that she wasn’t just a leaf that depended on every whim of the wind, but that she was part of the universe.
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