pindexplectron./plek-tron/US // ˈplɛk trɒn //脉冲发生器,脉冲,脉冲信号,脉冲式的Definitionsn.noun · 名词1. plural plec·tra [plek-truh]. /ˈplɛk trə/. ›plectrum. Level 4More words in p →