单词	group velocity
释义	group velocity noun : the velocity with which some definite peculiarity of a composite wave train (as an interference maximum) advances through a medium compare phase velocity Word History First Known Use 1881, in the meaning defined above
随便看	atones (for) atones for atonia atonias atonic atonicities atonics atonies atoning atoning (for) atoning for atony atop atoper atopest atopic atopies atopite atopognoses atopognosiae atopognosias atopognosises atopognosisses atopper atoppest

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