它离我们如此之近，以至于太空科学家都把它看作是我们的邻居。
It is so close that space scientists have considered it as a next-door neighbor.
“孩子中有未来的太空科学家。”比尔对一家报纸说。
"Among kids, there are future space scientists." Bill told a newspaper.
据太空科学家武春风称，如果成功，2022年将再发射三个这样的物体。
If it succeeds, three more such objects will be sent out in 2022, according to Wu Chunfeng, a space scientist.
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