Podogram
足印
🗣️ 情景例句
Give me a cup of coffee, please.
请给我一杯咖啡。
Please don't bother. Thank you just the same.
请不要麻烦了，谢谢。
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。