Filterplexer
吸声器
🗣️ 情景例句
Yes, I'm sure I can.
是的，当然可以。
Thank you for your kindness.
谢谢你的好心。
but that was precisely the idea adopted in some of the early instruments (seismometers) for recording earthquake waves.
但是早期记录地震波的仪器（测震仪）正是采用了这种思路。