Ercilla
[地名] [智利] 埃尔西亚
🗣️ 情景例句
Yes. They reached us yesterday.
是的，昨天我们收到这批货物。
What is this?
这是什么？
The second marks the arrival of transverse vibrations which travel more slowly and arrive several minutes after the first.
然后记录下的是横向波的到达，横向波比纵向波传播得慢，在纵向波到达几分钟后才能到达。