Concentric resonanter
[电] 同心谐振器
🧩 词语组成解析
🗣️ 情景例句
I don't have time to take any elective classes.
我没有时间去上任何选修课。
So far so good.
目前为止，一切都好。
He has asked to be introduced to the pianist.
他要求会见这位钢琴家。