Phanotron
[电] 热阴极含气整流管
🗣️ 情景例句
One picture is worth a thousand words.
百闻不如一见。
At what time?
什么时间？
Car alarms constantly scream at us in the street and are a source of profound irritation.
在街上，汽车的防盗警报不断对我们吼叫，这是人们极度烦燥的一个原因，