单词van-de-graaff-generator
The Van de Graaff generator later became a key component of the early particle accelerators.
范德格拉夫起电机后来成为了早期粒子加速器的关键器件。
This battery powered wand features a mini Van de Graaff generator inside.
这种电池供电的魔杖里面设有小型范德格拉夫发电机。