英语词汇“time ball”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	time ball
释义	time ball noun A timepiece consisting of a sphere which at a certain moment each day is allowed to fall down a vertical rod.
随便看	signallee signaller signal light signal line signally signalman signalment signal molecule signal/noise ratio signal pad signal peptide signal plate signal post signal reaction signal red signal sequence signal service signals intelligence signal station signal strength signal strip signal-to-noise signal-to-noise ratio signal tower signalwoman

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