Peniotron
日本式快波简谐运动微波放大器
🗣️ 情景例句
Remember to lock your door and windows when you leave the house.
出门前记得锁好门窗。
All the world's a stage, and all the men and women merely players.
整个世界是个舞台，男男女女，演员而已。
This is our most recently developed product.
这是我们最近开发的产品。