单词	triode
释义	triode noun tri·​ode ˈtrī-ˌōd  : an electron tube with an anode, a cathode, and a controlling grid Word History First Known Use 1919, in the meaning defined above
随便看	the lads the lady of the house the lame the land the landed gentry the lap of luxury the lash the last the last couple of the Last Judgment the last minute the last moment the last post the last rites the last someone heard the last someone saw the last straw the last thing on someone's mind the last word the last/final word the last/previous couple of the latest the latter the law the law of averages

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