Peniotron
日本式快波简谐运动微波放大器
🗣️ 情景例句
This is fun.
很有意思。
Thank you very much for giving us your valuable time.
我们占用了你宝贵的时间，非常感谢。
His cake is three times bigger than mine.
他的蛋糕比我的大三倍。