Limnograph
n. 湖水水位测量计
🗣️ 情景例句
Sorry, that's not really what I mean. What I'd like to know is...
对不起，我真的不是那意思，我想知道的是…
I'm too young.
我太年轻。
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。