单词	mean distance
释义	mean distance noun : the arithmetical mean of the maximum and minimum distances of an orbiting celestial object from its primary Word History First Known Use 1788, in the meaning defined above
随便看	bawled out bawler bawlers bawley bawley boat dottle pin dottles Dottore dottrels dotty dotty (over) dotty over doty dou Dou Douai Douala doualae doualas douane douanes douanier douaniers douar douars

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