Stabilotron
厘米波功率振荡管, 稳频管
🗣️ 情景例句
But somehow I got my days mixed up and didn't realize the mistake until now.
可是不知道怎么回事，我把日期弄错了，而且到现在才知道这个错误。
I wonder if it will rain tomorrow.
我不知道明天会不会下雨。
In five hours' time!
5个小时以后！