He had a tube with electrodes potted in it filled with atomic hydrogen. And by applying a voltage, he was able to get the gas to glow.
他有一根装着电极的管子，里面充满了氢原子。通过施加电压，他能够使气体发光。
2
This is commonly a xenon lamp, in which electricity is arced through a tubefilled with the gas.
在氙气灯内，电流通过一个充满气体的显像管，弯曲成弧形。
3
A spark discharge between two electrodes produces an "ionised gastube" in the xenon gas-filled lamp piston through which electric current flows which in turn causes the gas to light up.