Structures
n. 结构；构筑物；业务方式（structure的复数）
🗣️ 情景例句
I see.
哦。
Drunkenness reveals what soberness conceals.
酒后露真言。
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。