英语词汇“heliometer”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	heliometer
释义	heliometer n. an instrument used for finding the angular distance between two stars (orig. used for measuring the diameter of the sun).
随便看	protestation Proteus prothalamium prothallium prothallus prothesis prothonotary protist protium proto- protocol protomartyr proton protonotary protopectin protophyte protoplasm protoplast prototherian prototype protozoan protract protractile protraction protractor

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