Stabilotron
厘米波功率振荡管, 稳频管
🗣️ 情景例句
Sorry to trouble you, do you have these shirts in any other colors?
麻烦你了，你们有其他颜色的这种衬衫吗？
Drop me a line.
写封信给我
Oh, I usually walk.
噢，我常走着来。