单词	harmonic motion
释义	harmonic motion noun : a periodic motion (as of a sounding violin string or swinging pendulum) that has a single frequency or amplitude or is composed of two or more such simple periodic motions Word History First Known Use 1867, in the meaning defined above
随便看	congressionalists congressionally congressionist congressist Congressite congressman congressman-at-large congressmen congressmen-at-large congresspeople congressperson congresspersons congresswoman congresswomen Congreve Congridae congridaes congrio congroid congrue congruence congruences congruencies congruency congruent

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