单词	tetrode
释义	tetrode noun tet·​rode ˈte-ˌtrōd  : a vacuum tube with a cathode, an anode, a control grid, and an additional grid or other electrode Word History First Known Use 1886, in the meaning defined above
随便看	fatsoes fatsos fatstock fatstocks fatted fatten fattened fattener fatteners fattening fattenings fattens fatter fattest fatti maschii, parole femine fattier fatties fattiest fattily fattiness fattinesses fatting fattish fattisher fattishest

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