electroscopeWiktionary 原文英美构词拆解electroelectro-前缀scope-scope后缀electro-Combining form of electricity. · Combining form of electric and electrical.-scopeUsed to make terms denoting an instrument used for viewing or examination.词源说明From electro- + -scope.释义名词noun1(physics) a simple device that detects the presence of an electric charge by the mutual repulsion of metal foils or pith balls同族词派生词 2