单词	dynode
释义	dynode noun dy·​node ˈdī-ˌnōd  : an electrode in an electron tube that functions to produce secondary emission of electrons Word History Etymology dyn- (in dynamo, dynatron) + -ode First Known Use 1939, in the meaning defined above
随便看	rifling riflings riflips rifs rift rift crack rift grain rift saw rift valley Rift Valley fever rift valleys rift-sawed rift-sawn rifted rifter rifting riftless rifts rig rig (out) rig (up) rig irons rig out rig the ballot rig up

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