To get a better sense of how many potentially dangerous asteroids might actually be out there, Mainzer and her colleagues did a new survey with the WISE telescope, launched in 2009.
为了更好地了解，实际上到底有多少具有潜在危险的小行星，迈因策尔和她的同事们，最近使用了在2009年升空的WISE望远镜，进行了一次最新的调查。
Nor, how the lightest echo of theirunited home, directed by herself with such a wise and elegant thriftthat it was more abundant than any waste, was music to her.
她以她的才智和品德勤俭地维持着他们共同的家，过着富裕而没有浪费的生活。 这个家的最轻微的回音不用说对她也都是音乐。
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