乐豆毛深蓝词典

electroscope

E 开头单词专八核心词SAT词汇

柯林斯词典

    electroscope /ɪˈlɛktrəʊˌskəʊp/

  • 1. N an apparatus for detecting an electric charge, typically consisting of a rod holding two gold foils that separate when a charge is applied 验电器

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