范德格拉夫起电机fàn dé gé lā fū qǐ diàn jīfandegelafuqidianjiVan de Graaff generatorCharacters in this word夫man, husband德ethics, morality拉to pull, to drag机desk格form, pattern, standard电electricity范pattern, model, example起to begin, to initiateStudy it in Yanamino