Pottstown
[地名] [美国] 波茨敦
🗣️ 情景例句
I graduated from Nanjing University in June, 2000.
我2000年6月毕业于南京大学。
He was content that the thing had happened.
这事终于发生了，对此他是满意的。
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。