Cavity resonantor
[电] 空腔谐振器
🧩 词语组成解析
谐振器
🗣️ 情景例句
The plan is a simple one.
计划很简单。
What time is the mail delivered on Saturday?
邮件在星期六什么时间被递送？
I hope you are well. Thank you for your last letter.
愿你身体健康。感谢你上次来信。