Plitron
[电] 高度真空管
🗣️ 情景例句
Dad works hard, and he works late.
爸爸工作忙， 而且忙到很晚。
I am very much thrilled to see this luxurious office.
看到这样一个高层次的分支机构我感到很激动。
Oh, thank you. I would love to.
噢，谢谢你！我很乐意！