Unituning
单钮调谐, 同轴调谐
🗣️ 情景例句
I really mean it.
当然是真的。
The vacuum cleaner is making a funny noise.
吸尘器发出怪异的声音。
When the instrument is situated at more than 700 miles from the earthquake centre,
如果把这种仪器安装在距震源700多英里远的地方，