Polyacid
a. 多酸的
🗣️ 情景例句
The interview was fine.
面谈得很好。
The simultaneous interpreter needs lots of intelligence and knowledge.
同时通译者需要许多的智慧和知识。
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。