Sorry, I just like to watch almost all kinds of ball games. I'm strictly spectator.
对不起,我仅仅喜欢观看几乎所有的球类比赛,我是个十足的观众。
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。