单词 | orrery |
释义 | orrery/ˈɒrəri /noun (plural orreries) A clockwork model of the solar system, or of just the sun, earth, and moon.The discs could be set to the current configuration of planets to act as a crude orrery....
OriginEarly 18th century: named after the fourth Earl of Orrery, for whom one was made. |
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