Radiotron
真空管, 三极电子管
🗣️ 情景例句
Can I tell him that?
我可以把这消息告诉他吗？
Please don't bother. Thank you just the same.
请不要麻烦了，谢谢。
Where's her hat? Is it under her chair?
她的帽子在那里，是在她的椅子底下吗？