Corotron
电晕管； 电晕发射装置
🗣️ 情景例句
Thanks, no. I do have to go.
谢谢了， 不用。我真的得走了。
Only three days.
仅三天。
Farm labourers said that they always woke up to find that work had been done overnight.
雇工们说，常常一早起来发现有人在夜里把活干了，