英语词汇“royal pendulum”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	royal pendulum
释义	Definition of royal pendulum in English: royal pendulum noun historical A pendulum having a period of one second, given by a length of 39.14 in (99.42 cm). Origin Late 17th century. Definition of royal pendulum in US English: royal pendulum noun historical A pendulum having a period of one second, given by a length of 39.14 in (99.42 cm). Origin Late 17th century.
随便看	Huron Huron, Lake hurons hurrah hurray hurr-burr Hurri Hurrian hurricane Hurricane Alley hurricane deck hurricane lamp hurricanes hurricane tape hurried hurried hurried handwriting hurriedly hurriedness hurriedness hurriednesses hurrier hurries hurroo hurry

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Definition of royal pendulum in English: