Siegen
[地名] [德国] 锡根
🗣️ 情景例句
which is going out with a camera and a roll of film
那就是带着照相机和一卷底片出去久
Hi.
你好。
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。