Febetron
冷阴极脉冲, β射线管, 相对论性电子发生器
🗣️ 情景例句
Craft and Craft is the biggest in the country.
Craft and Craft是全国最大的。
All is flour that comes to his mill.
到他的磨里都能碾成粉。
Good morning! What can I do for you?
早上好！我能为你做些什么？