Mated
成双的；成对的
🗣️ 情景例句
As soon as I get these cuff links on.
只等我将袖扣扣好。
How many years have you been playing pingpong?
你打乒乓球多少年了？
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。