单词	pie in the sky
释义	pie in the sky noun phrase : an unrealistic enterprise or prospect of prosperity pie-in-the-sky ˈpī-in-ṯẖə-ˈskī  adjective Word History First Known Use 1911, in the meaning defined above
随便看	orthogeneses orthogenesis orthogenetic orthogenetically orthogenic orthogenics orthogeosyncline orthogneiss orthogonal orthogonal functions orthogonal projection orthogonal system orthogonal trajectory orthogonalisation orthogonalise orthogonalised orthogonalises orthogonalising orthogonalities orthogonality orthogonalization orthogonalizations orthogonalize orthogonalized orthogonalizes

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