英语词汇“positive ray”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	positive ray
释义	positive ray Physics. a stream of positive ions traveling from a metallic anode to the cathode in a gas-discharge tube. Also called anode ray, canal ray. [1900-05]
随便看	nectarous nectary nectopod Ned N.E.D. Nedda neddy Nederland nee need needfire needful Needham neediness needle needle biopsy needlecraft needlefish needlepoint Needles needless needle trades needle valve needlewoman needlework

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