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	bear a relation (or relationship) to bear a relation (or relationship) to bear a relationship to bear a relation to bear a resemblance (or similarity) to bear a resemblance (or similarity) to bear a resemblance to bear arms bear arms bear arms bear a similarity to bear away bear away bear-baiting bearberries bearberry bearcat bear-cat bearcats bear claw bear comparison bear comparison with beard bearded bearded

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Definition of royal pendulum in English: