Febetron
冷阴极脉冲, β射线管, 相对论性电子发生器
🗣️ 情景例句
Thanks, honey.
谢谢， 亲爱的。
As soon as he comes, we'll let him know.
他一来，我们就告诉他。
Please tell me how I can solve this problem.
请告诉我怎样才能解决这个问题。