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    micrometre

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    micrometre

    Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++mi·crom·e·tre British English, micrometer American English /ˈmaɪkrəʊˌmiːtə $ -kroʊˌmiːtər/ (also micron /ˈmaɪkrɒn $ -krɑːn/) noun [countable]  a unit for measuring length. There are one million micrometres in one metre. 微米〔百万分之一米〕
    mi·crom·e·tre nounChineseSyllable


    micrometre
    mi‧crom‧e‧tre British English, micrometer American English /ˈmaɪkrəʊˌmiːtə $ -kroʊˌmiːtər/ (also mi‧cron /ˈmaɪkrɒn $ -krɑːn/) noun [countable]
     Date: 1800-1900
     Language: Modern Latin
     Origin: Greek, from mikros 'small'
    a unit for measuring length. There are one million micrometres in one metre.


    micro·metre (especially US micro·meter) BrE /ˈmaɪkrəʊmiːtə(r)/ 🔊NAmE /ˈmaɪkroʊmiːtər/ 🔊 noun (symbol μm) a unit for measuring length, equal to one millionth of a metre 微米（= 百万分之一米）