resonantor

例句：

1. 1.The sound of the bell resonated throughout the room.
   钟声在整个房间里回荡。
2. 2. The new electronic device has a resonantor that can be tuned to different frequencies.
   这款新型电子设备有一个可调谐的共振器，可以调至不同频率。
3. 3. The scientist used a resonantor to measure the frequency of the sound waves.
   科学家使用了一个共振器来测量声波的频率。