Sentron
防阴极回轰式磁控管(短波电子管), 防阴极反加热式磁控管A-type sentron A型仙台放电管
🗣️ 情景例句
Please, sit down. What can I do for you?
请坐下。我能为你们做什么呢？
Shit!
糟了！
I really need to lose some weight.
我真的需要减肥了。