Febetron
冷阴极脉冲, β射线管, 相对论性电子发生器
🗣️ 情景例句
Thank you. It's delicious.
谢谢，味道很好。
Happy is he who owes nothing.
无债一身轻。
Next Annie took me by the hand and taught me how to jump.
接着，她又拉着我的手，教我如何跳。