Stabilotron
厘米波功率振荡管, 稳频管
🗣️ 情景例句
And these coral earrings for my daughter are so pretty.
还有给我女儿的珊瑚耳环也非常漂亮。
Discontent is the first step in progress.
不知足是前进中的第一步。
Which do you think is more interesting?
你认为哪个节目更有趣呢？