Home/plectronplectron/plek-tron/US // ˈplɛk trɒn //脉冲发生器,脉冲,脉冲信号,脉冲式的Definitionsn.名词 noun1 plural plec·tra [plek-truh]. /ˈplɛk trə/. : plectrum. Level 4Browse all words →