Corotron
电晕管； 电晕发射装置
🗣️ 情景例句
His number is five, five, five, seven, five, three, two.
他的号码是5557532。
A good name is sooner lost than won.
美誉难得而易失。
I'll let you know as soon as I get an answer.
我一有消息就立刻通知你。