NASA's Spitzer Space Telescope showing a band of dust around the bright star that strongly matches the contents-such as water ice, organics, and rock-of a comet busted apart in a collision.
nasa斯必泽太空望远镜的资料，资料显示这颗明亮的恒星周围环绕着一个尘埃带，其中的物质包含水冰、有机物和岩石，跟碰撞后粉碎的彗星物质极为相似。
Water plays an important role in expansive rock and soil mass, and its distribution varies with space time.
水在膨胀性岩土中发挥着至关重要的作用，而膨胀岩土体中的水分分布随空间和时间而改变。
Water plays an important role in expansive rock and soil mass, and its distribution varies with space time.
水在膨胀性岩土中发挥着至关重要的作用，而膨胀岩土体中的水分分布随空间和时间而改变。
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